74371906 has 24 divisors (see below), whose sum is σ = 137408076. Its totient is φ = 29998080.

The previous prime is 74371867. The next prime is 74371931. The reversal of 74371906 is 60917347.

It can be written as a sum of positive squares in 2 ways, for example, as 68807025 + 5564881 = 8295^2 + 2359^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 20655 + ... + 23986.

Almost surely, 2^74371906 is an apocalyptic number.

74371906 is a deficient number, since it is larger than the sum of its proper divisors (63036170).

74371906 is a wasteful number, since it uses less digits than its factorization.

74371906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44674 (or 44667 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 74371906 is about 8623.9147723061. The cubic root of 74371906 is about 420.5357976691.

The spelling of 74371906 in words is "seventy-four million, three hundred seventy-one thousand, nine hundred six".