74611213 has 4 divisors (see below), whose sum is σ = 74663008. Its totient is φ = 74559420.

The previous prime is 74611211. The next prime is 74611219. The reversal of 74611213 is 31211647.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 74611213 - 2¹ = 74611211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74611211) 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, 23673 + ... + 26638.

It is an arithmetic number, because the mean of its divisors is an integer number (18665752).

Almost surely, 2^74611213 is an apocalyptic number.

It is an amenable number.

74611213 is a deficient number, since it is larger than the sum of its proper divisors (51795).

74611213 is a wasteful number, since it uses less digits than its factorization.

74611213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51794.

The product of its digits is 1008, while the sum is 25.

The square root of 74611213 is about 8637.7782444330. The cubic root of 74611213 is about 420.9863684010.

The spelling of 74611213 in words is "seventy-four million, six hundred eleven thousand, two hundred thirteen".