74678056 has 64 divisors (see below), whose sum is σ = 157852800. Its totient is φ = 32947200.

The previous prime is 74678047. The next prime is 74678089. The reversal of 74678056 is 65087647.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143076 + ... + 143596.

It is an arithmetic number, because the mean of its divisors is an integer number (2466450).

Almost surely, 2^74678056 is an apocalyptic number.

74678056 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

74678056 is an abundant number, since it is smaller than the sum of its proper divisors (83174744).

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

74678056 is a wasteful number, since it uses less digits than its factorization.

74678056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610 (or 606 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 43.

The square root of 74678056 is about 8641.6466023554. The cubic root of 74678056 is about 421.1120492091.

The spelling of 74678056 in words is "seventy-four million, six hundred seventy-eight thousand, fifty-six".