74687880 has 32 divisors (see below), whose sum is σ = 224064000. Its totient is φ = 19916736.

The previous prime is 74687869. The next prime is 74687903. The reversal of 74687880 is 8878647.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311080 + ... + 311319.

It is an arithmetic number, because the mean of its divisors is an integer number (7002000).

Almost surely, 2^74687880 is an apocalyptic number.

It is an amenable number.

74687880 is an abundant number, since it is smaller than the sum of its proper divisors (149376120).

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

74687880 is a wasteful number, since it uses less digits than its factorization.

74687880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622413 (or 622409 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 48.

The square root of 74687880 is about 8642.2149938543. The cubic root of 74687880 is about 421.1305143540.

The spelling of 74687880 in words is "seventy-four million, six hundred eighty-seven thousand, eight hundred eighty".