73981569875 has 16 divisors (see below), whose sum is σ = 94476192096. Its totient is φ = 57808850400.

The previous prime is 73981569797. The next prime is 73981569877. The reversal of 73981569875 is 57896518937.

It is not a de Polignac number, because 73981569875 - 2²⁴ = 73964792659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73981569877) 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, 6876632 + ... + 6887381.

It is an arithmetic number, because the mean of its divisors is an integer number (5904762006).

Almost surely, 2^73981569875 is an apocalyptic number.

73981569875 is a deficient number, since it is larger than the sum of its proper divisors (20494622221).

73981569875 is a wasteful number, since it uses less digits than its factorization.

73981569875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13764071 (or 13764061 counting only the distinct ones).

The product of its digits is 114307200, while the sum is 68.

The spelling of 73981569875 in words is "seventy-three billion, nine hundred eighty-one million, five hundred sixty-nine thousand, eight hundred seventy-five".