74074072 has 16 divisors (see below), whose sum is σ = 141510240. Its totient is φ = 36338016.

The previous prime is 74074057. The next prime is 74074093. The reversal of 74074072 is 27047047.

It is a super-2 number, since 2×74074072² = 10973936285322368, which contains 22 as substring.

It is a congruent number.

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, 86928 + ... + 87775.

It is an arithmetic number, because the mean of its divisors is an integer number (8844390).

Almost surely, 2^74074072 is an apocalyptic number.

It is an amenable number.

74074072 is a deficient number, since it is larger than the sum of its proper divisors (67436168).

74074072 is a wasteful number, since it uses less digits than its factorization.

74074072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174762 (or 174758 counting only the distinct ones).

The product of its (nonzero) digits is 10976, while the sum is 31.

The square root of 74074072 is about 8606.6295377459. The cubic root of 74074072 is about 419.9736793785.

The spelling of 74074072 in words is "seventy-four million, seventy-four thousand, seventy-two".