74772680 has 32 divisors (see below), whose sum is σ = 169136640. Its totient is φ = 29749440.

The previous prime is 74772679. The next prime is 74772683. The reversal of 74772680 is 8627747.

It is not an unprimeable number, because it can be changed into a prime (74772683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2747 + ... + 12533.

It is an arithmetic number, because the mean of its divisors is an integer number (5285520).

Almost surely, 2^74772680 is an apocalyptic number.

It is an amenable number.

74772680 is an abundant number, since it is smaller than the sum of its proper divisors (94363960).

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

74772680 is a wasteful number, since it uses less digits than its factorization.

74772680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9989 (or 9985 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 41.

The square root of 74772680 is about 8647.1197516861. The cubic root of 74772680 is about 421.2898367701.

The spelling of 74772680 in words is "seventy-four million, seven hundred seventy-two thousand, six hundred eighty".