74057380 has 12 divisors (see below), whose sum is σ = 155520540. Its totient is φ = 29622944.

The previous prime is 74057369. The next prime is 74057411. The reversal of 74057380 is 8375047.

It can be written as a sum of positive squares in 2 ways, for example, as 11235904 + 62821476 = 3352^2 + 7926^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1851415 + ... + 1851454.

It is an arithmetic number, because the mean of its divisors is an integer number (12960045).

Almost surely, 2^74057380 is an apocalyptic number.

It is an amenable number.

74057380 is an abundant number, since it is smaller than the sum of its proper divisors (81463160).

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

74057380 is a wasteful number, since it uses less digits than its factorization.

74057380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3702878 (or 3702876 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 74057380 is about 8605.6597655264. The cubic root of 74057380 is about 419.9421311049.

The spelling of 74057380 in words is "seventy-four million, fifty-seven thousand, three hundred eighty".