74632872 has 32 divisors (see below), whose sum is σ = 192602880. Its totient is φ = 24074880.

The previous prime is 74632871. The next prime is 74632879. The reversal of 74632872 is 27823647.

It is a self number, because there is not a number n which added to its sum of digits gives 74632872.

It is not an unprimeable number, because it can be changed into a prime (74632871) 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 7 ways as a sum of consecutive naturals, for example, 49413 + ... + 50900.

It is an arithmetic number, because the mean of its divisors is an integer number (6018840).

Almost surely, 2^74632872 is an apocalyptic number.

It is an amenable number.

74632872 is an abundant number, since it is smaller than the sum of its proper divisors (117970008).

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

74632872 is a wasteful number, since it uses less digits than its factorization.

74632872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100353 (or 100349 counting only the distinct ones).

The product of its digits is 112896, while the sum is 39.

The square root of 74632872 is about 8639.0318902062. The cubic root of 74632872 is about 421.0271007129.

The spelling of 74632872 in words is "seventy-four million, six hundred thirty-two thousand, eight hundred seventy-two".