74742412 has 12 divisors (see below), whose sum is σ = 131178600. Its totient is φ = 37262816.

The previous prime is 74742407. The next prime is 74742427. The reversal of 74742412 is 21424747.

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, 25537 + ... + 28312.

It is an arithmetic number, because the mean of its divisors is an integer number (10931550).

Almost surely, 2^74742412 is an apocalyptic number.

It is an amenable number.

74742412 is a deficient number, since it is larger than the sum of its proper divisors (56436188).

74742412 is a wasteful number, since it uses less digits than its factorization.

74742412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54200 (or 54198 counting only the distinct ones).

The product of its digits is 12544, while the sum is 31.

The square root of 74742412 is about 8645.3693963879. The cubic root of 74742412 is about 421.2329830200.

The spelling of 74742412 in words is "seventy-four million, seven hundred forty-two thousand, four hundred twelve".