74964213 has 12 divisors (see below), whose sum is σ = 108833868. Its totient is φ = 49721280.

The previous prime is 74964209. The next prime is 74964247. The reversal of 74964213 is 31246947.

74964213 is a `hidden beast` number, since 7 + 4 + 9 + 642 + 1 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 73307844 + 1656369 = 8562^2 + 1287^2 .

It is not a de Polignac number, because 74964213 - 2² = 74964209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74965213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19368 + ... + 22913.

It is an arithmetic number, because the mean of its divisors is an integer number (9069489).

Almost surely, 2^74964213 is an apocalyptic number.

It is an amenable number.

74964213 is a deficient number, since it is larger than the sum of its proper divisors (33869655).

74964213 is a wasteful number, since it uses less digits than its factorization.

74964213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42484 (or 42481 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 74964213 is about 8658.1876279046. The cubic root of 74964213 is about 421.6492465911.

The spelling of 74964213 in words is "seventy-four million, nine hundred sixty-four thousand, two hundred thirteen".