74404072 has 16 divisors (see below), whose sum is σ = 139782240. Its totient is φ = 37128816.

The previous prime is 74404069. The next prime is 74404073. The reversal of 74404072 is 27040447.

It is a self number, because there is not a number n which added to its sum of digits gives 74404072.

It is not an unprimeable number, because it can be changed into a prime (74404073) by changing a digit.

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, 4708 + ... + 13075.

It is an arithmetic number, because the mean of its divisors is an integer number (8736390).

Almost surely, 2^74404072 is an apocalyptic number.

It is an amenable number.

74404072 is a deficient number, since it is larger than the sum of its proper divisors (65378168).

74404072 is a wasteful number, since it uses less digits than its factorization.

74404072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18312 (or 18308 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 28.

The square root of 74404072 is about 8625.7795010074. The cubic root of 74404072 is about 420.5964164588.

The spelling of 74404072 in words is "seventy-four million, four hundred four thousand, seventy-two".