74983966938947 has 12 divisors (see below), whose sum is σ = 83236436924928. Its totient is φ = 67492319466000.

The previous prime is 74983966938917. The next prime is 74983966938949.

74983966938947 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-74983966938947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74983966938949) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3067820483 + ... + 3067844924.

It is an arithmetic number, because the mean of its divisors is an integer number (6936369743744).

Almost surely, 2^{74983966938947} is an apocalyptic number.

74983966938947 is a deficient number, since it is larger than the sum of its proper divisors (8252469985981).

74983966938947 is a wasteful number, since it uses less digits than its factorization.

74983966938947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6135665530 (or 6135665519 counting only the distinct ones).

The product of its digits is 106662334464, while the sum is 92.

The spelling of 74983966938947 in words is "seventy-four trillion, nine hundred eighty-three billion, nine hundred sixty-six million, nine hundred thirty-eight thousand, nine hundred forty-seven".