74880684 has 36 divisors (see below), whose sum is σ = 191416680. Its totient is φ = 24678720.

The previous prime is 74880683. The next prime is 74880721. The reversal of 74880684 is 48608847.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74880683) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8482 + ... + 14889.

It is an arithmetic number, because the mean of its divisors is an integer number (5317130).

Almost surely, 2^74880684 is an apocalyptic number.

It is an amenable number.

74880684 is an abundant number, since it is smaller than the sum of its proper divisors (116535996).

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

74880684 is a wasteful number, since it uses less digits than its factorization.

74880684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23470 (or 23465 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The square root of 74880684 is about 8653.3625834123. The cubic root of 74880684 is about 421.4925805949.

The spelling of 74880684 in words is "seventy-four million, eight hundred eighty thousand, six hundred eighty-four".