74399474 has 16 divisors (see below), whose sum is σ = 112817688. Its totient is φ = 36796032.

The previous prime is 74399453. The next prime is 74399491. The reversal of 74399474 is 47499347.

It can be written as a sum of positive squares in 4 ways, for example, as 36663025 + 37736449 = 6055^2 + 6143^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97904 + ... + 98660.

Almost surely, 2^74399474 is an apocalyptic number.

74399474 is a deficient number, since it is larger than the sum of its proper divisors (38418214).

74399474 is a wasteful number, since it uses less digits than its factorization.

74399474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229.

The product of its digits is 762048, while the sum is 47.

The square root of 74399474 is about 8625.5129702528. The cubic root of 74399474 is about 420.5877523176.

The spelling of 74399474 in words is "seventy-four million, three hundred ninety-nine thousand, four hundred seventy-four".