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74182668 = 2237367269
BaseRepresentation
bin1000110101111…
…11000000001100
312011120212111020
410122333000030
5122442321133
611205554140
71560354000
oct432770014
9164525436
1074182668
113896859a
1220a15950
13124a4591
149bd0700
1567a50b3
hex46bf00c

74182668 has 96 divisors (see below), whose sum is σ = 205632000. Its totient is φ = 20801088.

The previous prime is 74182663. The next prime is 74182687. The reversal of 74182668 is 86628147.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (74182663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 275638 + ... + 275906.

It is an arithmetic number, because the mean of its divisors is an integer number (2142000).

Almost surely, 274182668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74182668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102816000).

74182668 is an abundant number, since it is smaller than the sum of its proper divisors (131449332).

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

74182668 is a wasteful number, since it uses less digits than its factorization.

74182668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 348 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 74182668 is about 8612.9360847507. The cubic root of 74182668 is about 420.1788127495.

The spelling of 74182668 in words is "seventy-four million, one hundred eighty-two thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 67 84 98 134 147 196 201 268 269 294 343 402 469 538 588 686 804 807 938 1029 1076 1372 1407 1614 1876 1883 2058 2814 3228 3283 3766 4116 5628 5649 6566 7532 9849 11298 13132 13181 18023 19698 22596 22981 26362 36046 39396 39543 45962 52724 54069 68943 72092 79086 91924 92267 108138 126161 137886 158172 184534 216276 252322 275772 276801 369068 378483 504644 553602 756966 883127 1107204 1513932 1766254 2649381 3532508 5298762 6181889 10597524 12363778 18545667 24727556 37091334 74182668