74509370 has 32 divisors (see below), whose sum is σ = 145312272. Its totient is φ = 27343872.

The previous prime is 74509367. The next prime is 74509433. The reversal of 74509370 is 7390547.

It can be written as a sum of positive squares in 8 ways, for example, as 53597041 + 20912329 = 7321^2 + 4573^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 74509370.

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 15 ways as a sum of consecutive naturals, for example, 20834 + ... + 24146.

Almost surely, 2^74509370 is an apocalyptic number.

74509370 is a deficient number, since it is larger than the sum of its proper divisors (70802902).

74509370 is a wasteful number, since it uses less digits than its factorization.

74509370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3506.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 74509370 is about 8631.8810232764. The cubic root of 74509370 is about 420.7947348407.

The spelling of 74509370 in words is "seventy-four million, five hundred nine thousand, three hundred seventy".