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72875568 = 2434732303
BaseRepresentation
bin1000101011111…
…11111000110000
312002010110111010
410111333320300
5122124004233
611121550520
71543301133
oct425777060
9162113433
1072875568
1138155547
12204a5440
131213764c
14997021a
1565e7b63
hex457fe30

72875568 has 40 divisors (see below), whose sum is σ = 192273408. Its totient is φ = 23774272.

The previous prime is 72875563. The next prime is 72875581. The reversal of 72875568 is 86557827.

It is a super-2 number, since 2×728755682 = 10621696822645248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (72875563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13896 + ... + 18407.

Almost surely, 272875568 is an apocalyptic number.

It is an amenable number.

72875568 is an abundant number, since it is smaller than the sum of its proper divisors (119397840).

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

72875568 is a wasteful number, since it uses less digits than its factorization.

72875568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32361 (or 32355 counting only the distinct ones).

The product of its digits is 940800, while the sum is 48.

The square root of 72875568 is about 8536.7188075982. The cubic root of 72875568 is about 417.6963217867.

The spelling of 72875568 in words is "seventy-two million, eight hundred seventy-five thousand, five hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 47 48 94 141 188 282 376 564 752 1128 2256 32303 64606 96909 129212 193818 258424 387636 516848 775272 1518241 1550544 3036482 4554723 6072964 9109446 12145928 18218892 24291856 36437784 72875568