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72874008 = 23326411579
BaseRepresentation
bin1000101011111…
…11100000011000
312002010101100100
410111333200120
5122123432013
611121535400
71543263444
oct425774030
9162111310
1072874008
1138154359
12204a4560
1312136a1c
14996d824
1565e7473
hex457f818

72874008 has 48 divisors (see below), whose sum is σ = 197800200. Its totient is φ = 24238080.

The previous prime is 72874003. The next prime is 72874033. The reversal of 72874008 is 80047827.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72874003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45363 + ... + 46941.

Almost surely, 272874008 is an apocalyptic number.

It is an amenable number.

72874008 is an abundant number, since it is smaller than the sum of its proper divisors (124926192).

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

72874008 is a wasteful number, since it uses less digits than its factorization.

72874008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2232 (or 2225 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 72874008 is about 8536.6274371089. The cubic root of 72874008 is about 417.6933413140.

The spelling of 72874008 in words is "seventy-two million, eight hundred seventy-four thousand, eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 641 1282 1579 1923 2564 3158 3846 4737 5128 5769 6316 7692 9474 11538 12632 14211 15384 18948 23076 28422 37896 46152 56844 113688 1012139 2024278 3036417 4048556 6072834 8097112 9109251 12145668 18218502 24291336 36437004 72874008