74684713 has 4 divisors (see below), whose sum is σ = 74744208. Its totient is φ = 74625220.

The previous prime is 74684711. The next prime is 74684717. The reversal of 74684713 is 31748647.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31748647 = 7 ⋅4535521.

It is a cyclic number.

It is not a de Polignac number, because 74684713 - 2¹ = 74684711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74684711) 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, 27823 + ... + 30388.

It is an arithmetic number, because the mean of its divisors is an integer number (18686052).

Almost surely, 2^74684713 is an apocalyptic number.

It is an amenable number.

74684713 is a deficient number, since it is larger than the sum of its proper divisors (59495).

74684713 is a wasteful number, since it uses less digits than its factorization.

74684713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59494.

The product of its digits is 112896, while the sum is 40.

The square root of 74684713 is about 8642.0317634223. The cubic root of 74684713 is about 421.1245618523.

The spelling of 74684713 in words is "seventy-four million, six hundred eighty-four thousand, seven hundred thirteen".