74144936 has 16 divisors (see below), whose sum is σ = 139155540. Its totient is φ = 37036800.

The previous prime is 74144927. The next prime is 74144953. The reversal of 74144936 is 63944147.

It can be written as a sum of positive squares in 2 ways, for example, as 64096036 + 10048900 = 8006^2 + 3170^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 74144936.

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 3 ways as a sum of consecutive naturals, for example, 5750 + ... + 13466.

Almost surely, 2^74144936 is an apocalyptic number.

It is an amenable number.

74144936 is a deficient number, since it is larger than the sum of its proper divisors (65010604).

74144936 is a wasteful number, since it uses less digits than its factorization.

74144936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8924 (or 8920 counting only the distinct ones).

The product of its digits is 72576, while the sum is 38.

The square root of 74144936 is about 8610.7453800470. The cubic root of 74144936 is about 420.1075612647.

The spelling of 74144936 in words is "seventy-four million, one hundred forty-four thousand, nine hundred thirty-six".