65975344374 has 32 divisors (see below), whose sum is σ = 139476672000. Its totient is φ = 20747137824.

The previous prime is 65975344349. The next prime is 65975344423. The reversal of 65975344374 is 47344357956.

It is a happy number.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1183489 + ... + 1237980.

It is an arithmetic number, because the mean of its divisors is an integer number (4358646000).

Almost surely, 2^65975344374 is an apocalyptic number.

65975344374 is an abundant number, since it is smaller than the sum of its proper divisors (73501327626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65975344374 is a wasteful number, since it uses less digits than its factorization.

65975344374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2421732.

The product of its digits is 38102400, while the sum is 57.

The spelling of 65975344374 in words is "sixty-five billion, nine hundred seventy-five million, three hundred forty-four thousand, three hundred seventy-four".