74160472657 has 8 divisors (see below), whose sum is σ = 74665132200. Its totient is φ = 73655905920.

The previous prime is 74160472627. The next prime is 74160472669. The reversal of 74160472657 is 75627406147.

It can be written as a sum of positive squares in 4 ways, for example, as 5892711696 + 68267760961 = 76764^2 + 261281^2 .

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 74160472657 - 2³⁵ = 39800734289 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 74160472657.

It is not an unprimeable number, because it can be changed into a prime (74160472627) 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, 2523307 + ... + 2552527.

It is an arithmetic number, because the mean of its divisors is an integer number (9333141525).

Almost surely, 2^74160472657 is an apocalyptic number.

It is an amenable number.

74160472657 is a deficient number, since it is larger than the sum of its proper divisors (504659543).

74160472657 is a wasteful number, since it uses less digits than its factorization.

74160472657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46403.

The product of its (nonzero) digits is 1975680, while the sum is 49.

The spelling of 74160472657 in words is "seventy-four billion, one hundred sixty million, four hundred seventy-two thousand, six hundred fifty-seven".