74212904 has 16 divisors (see below), whose sum is σ = 145199520. Its totient is φ = 35493040.

The previous prime is 74212903. The next prime is 74212921. The reversal of 74212904 is 40921247.

It is a super-2 number, since 2×74212904² = 11015110240226432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74212903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201482 + ... + 201849.

It is an arithmetic number, because the mean of its divisors is an integer number (9074970).

Almost surely, 2^74212904 is an apocalyptic number.

It is an amenable number.

74212904 is a deficient number, since it is larger than the sum of its proper divisors (70986616).

74212904 is a wasteful number, since it uses less digits than its factorization.

74212904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403360 (or 403356 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 74212904 is about 8614.6911726422. The cubic root of 74212904 is about 420.2358916748.

The spelling of 74212904 in words is "seventy-four million, two hundred twelve thousand, nine hundred four".