74680812 has 24 divisors (see below), whose sum is σ = 193617200. Its totient is φ = 24893568.

The previous prime is 74680807. The next prime is 74680817. The reversal of 74680812 is 21808647.

It is an interprime number because it is at equal distance from previous prime (74680807) and next prime (74680817).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (74680817) 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, 345637 + ... + 345852.

Almost surely, 2^74680812 is an apocalyptic number.

It is an amenable number.

74680812 is an abundant number, since it is smaller than the sum of its proper divisors (118936388).

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

74680812 is a wasteful number, since it uses less digits than its factorization.

74680812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691502 (or 691494 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 74680812 is about 8641.8060612351. The cubic root of 74680812 is about 421.1172295373.

The spelling of 74680812 in words is "seventy-four million, six hundred eighty thousand, eight hundred twelve".