74965056947 has 16 divisors (see below), whose sum is σ = 86115724800. Its totient is φ = 64539620640.

The previous prime is 74965056839. The next prime is 74965056973.

74965056947 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-74965056947 is a prime.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between odd and even.

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 74965056947.

It is not an unprimeable number, because it can be changed into a prime (74965026947) 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, 520454 + ... + 648692.

It is an arithmetic number, because the mean of its divisors is an integer number (5382232800).

Almost surely, 2^74965056947 is an apocalyptic number.

74965056947 is a deficient number, since it is larger than the sum of its proper divisors (11150667853).

74965056947 is a wasteful number, since it uses less digits than its factorization.

74965056947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131066.

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

The spelling of 74965056947 in words is "seventy-four billion, nine hundred sixty-five million, fifty-six thousand, nine hundred forty-seven".