74660513 has 8 divisors (see below), whose sum is σ = 77157696. Its totient is φ = 72198000.

The previous prime is 74660501. The next prime is 74660539. The reversal of 74660513 is 31506647.

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

It is a cyclic number.

It is not a de Polignac number, because 74660513 - 2⁴ = 74660497 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74660513.

It is not an unprimeable number, because it can be changed into a prime (74660543) 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 7 ways as a sum of consecutive naturals, for example, 4253 + ... + 12938.

It is an arithmetic number, because the mean of its divisors is an integer number (9644712).

Almost surely, 2^74660513 is an apocalyptic number.

It is an amenable number.

74660513 is a deficient number, since it is larger than the sum of its proper divisors (2497183).

74660513 is a wasteful number, since it uses less digits than its factorization.

74660513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17335.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 74660513 is about 8640.6315162724. The cubic root of 74660513 is about 421.0790714392.

The spelling of 74660513 in words is "seventy-four million, six hundred sixty thousand, five hundred thirteen".