74472513 has 8 divisors (see below), whose sum is σ = 99456576. Its totient is φ = 49568400.

The previous prime is 74472511. The next prime is 74472547. The reversal of 74472513 is 31527447.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74472513 - 2¹ = 74472511 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (74472511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17778 + ... + 21563.

It is an arithmetic number, because the mean of its divisors is an integer number (12432072).

Almost surely, 2^74472513 is an apocalyptic number.

It is an amenable number.

74472513 is a deficient number, since it is larger than the sum of its proper divisors (24984063).

74472513 is a wasteful number, since it uses less digits than its factorization.

74472513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39975.

The product of its digits is 23520, while the sum is 33.

The square root of 74472513 is about 8629.7458247622. The cubic root of 74472513 is about 420.7253395886.

The spelling of 74472513 in words is "seventy-four million, four hundred seventy-two thousand, five hundred thirteen".