74330013 has 4 divisors (see below), whose sum is σ = 99106688. Its totient is φ = 49553340.

The previous prime is 74329999. The next prime is 74330017. The reversal of 74330013 is 31003347.

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 not a de Polignac number, because 74330013 - 2¹⁸ = 74067869 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 (74330017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12388333 + ... + 12388338.

It is an arithmetic number, because the mean of its divisors is an integer number (24776672).

Almost surely, 2^74330013 is an apocalyptic number.

It is an amenable number.

74330013 is a deficient number, since it is larger than the sum of its proper divisors (24776675).

74330013 is a wasteful number, since it uses less digits than its factorization.

74330013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24776674.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 74330013 is about 8621.4855448467. The cubic root of 74330013 is about 420.4568215427.

The spelling of 74330013 in words is "seventy-four million, three hundred thirty thousand, thirteen".