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72692676 = 223274292
BaseRepresentation
bin1000101010100…
…11001111000100
312001210011121100
410111103033010
5122102131201
611114020100
71541610000
oct425231704
9161704540
1072692676
11380400a1
1220417630
13120a2324
149923700
1565ad886
hex45533c4

72692676 has 135 divisors (see below), whose sum is σ = 222010061. Its totient is φ = 20053152.

The previous prime is 72692671. The next prime is 72692681. The reversal of 72692676 is 67629627.

The square root of 72692676 is 8526.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (72692671) and next prime (72692681).

It can be written as a sum of positive squares in only one way, i.e., 38118276 + 34574400 = 6174^2 + 5880^2 .

It is a nude number because it is divisible by every one of its digits.

Its product of digits (381024) is a multiple of the sum of its prime factors (96).

It is not an unprimeable number, because it can be changed into a prime (72692671) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 2506630 + ... + 2506658.

Almost surely, 272692676 is an apocalyptic number.

72692676 is the 8526-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72692676

72692676 is an abundant number, since it is smaller than the sum of its proper divisors (149317385).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72692676 is a wasteful number, since it uses less digits than its factorization.

72692676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96 (or 41 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The cubic root of 72692676 is about 417.3466055338.

The spelling of 72692676 in words is "seventy-two million, six hundred ninety-two thousand, six hundred seventy-six".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 29 36 42 49 58 63 84 87 98 116 126 147 174 196 203 252 261 294 343 348 406 441 522 588 609 686 812 841 882 1029 1044 1218 1372 1421 1682 1764 1827 2058 2401 2436 2523 2842 3087 3364 3654 4116 4263 4802 5046 5684 5887 6174 7203 7308 7569 8526 9604 9947 10092 11774 12348 12789 14406 15138 17052 17661 19894 21609 23548 25578 28812 29841 30276 35322 39788 41209 43218 51156 52983 59682 69629 70644 82418 86436 89523 105966 119364 123627 139258 164836 179046 208887 211932 247254 278516 288463 358092 370881 417774 494508 576926 626661 741762 835548 865389 1153852 1253322 1483524 1730778 2019241 2506644 2596167 3461556 4038482 5192334 6057723 8076964 10384668 12115446 18173169 24230892 36346338 72692676