74956065947 has 16 divisors (see below), whose sum is σ = 90031710720. Its totient is φ = 61012524672.

The previous prime is 74956065931. The next prime is 74956065959.

74956065947 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 74956065947 - 2⁴ = 74956065931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74956065947.

It is not an unprimeable number, because it can be changed into a prime (74956065917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1652318 + ... + 1697075.

It is an arithmetic number, because the mean of its divisors is an integer number (5626981920).

Almost surely, 2^74956065947 is an apocalyptic number.

74956065947 is a deficient number, since it is larger than the sum of its proper divisors (15075644773).

74956065947 is a wasteful number, since it uses less digits than its factorization.

74956065947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3349562.

The product of its (nonzero) digits is 57153600, while the sum is 62.

The spelling of 74956065947 in words is "seventy-four billion, nine hundred fifty-six million, sixty-five thousand, nine hundred forty-seven".