74678982 has 16 divisors (see below), whose sum is σ = 170694912. Its totient is φ = 21336840.

The previous prime is 74678963. The next prime is 74678993. The reversal of 74678982 is 28987647.

It is a congruent number.

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, 888994 + ... + 889077.

It is an arithmetic number, because the mean of its divisors is an integer number (10668432).

Almost surely, 2^74678982 is an apocalyptic number.

74678982 is an abundant number, since it is smaller than the sum of its proper divisors (96015930).

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

74678982 is a wasteful number, since it uses less digits than its factorization.

74678982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778083.

The product of its digits is 1354752, while the sum is 51.

The square root of 74678982 is about 8641.7001799414. The cubic root of 74678982 is about 421.1137897835.

The spelling of 74678982 in words is "seventy-four million, six hundred seventy-eight thousand, nine hundred eighty-two".