74346920 has 32 divisors (see below), whose sum is σ = 167567400. Its totient is φ = 29687808.

The previous prime is 74346919. The next prime is 74346929. The reversal of 74346920 is 2964347.

It can be written as a sum of positive squares in 4 ways, for example, as 71199844 + 3147076 = 8438^2 + 1774^2 .

It is not an unprimeable number, because it can be changed into a prime (74346929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29552 + ... + 31968.

Almost surely, 2^74346920 is an apocalyptic number.

It is an amenable number.

74346920 is an abundant number, since it is smaller than the sum of its proper divisors (93220480).

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

74346920 is a wasteful number, since it uses less digits than its factorization.

74346920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3197 (or 3193 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 74346920 is about 8622.4660045720. The cubic root of 74346920 is about 420.4886979647.

The spelling of 74346920 in words is "seventy-four million, three hundred forty-six thousand, nine hundred twenty".