73188564275 has 12 divisors (see below), whose sum is σ = 90836885472. Its totient is φ = 58497260640.

The previous prime is 73188564191. The next prime is 73188564343. The reversal of 73188564275 is 57246588137.

It is not a de Polignac number, because 73188564275 - 2²⁸ = 72920128819 is a prime.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

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 73188564275.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1311899 + ... + 1366548.

It is an arithmetic number, because the mean of its divisors is an integer number (7569740456).

Almost surely, 2^73188564275 is an apocalyptic number.

73188564275 is a deficient number, since it is larger than the sum of its proper divisors (17648321197).

73188564275 is a wasteful number, since it uses less digits than its factorization.

73188564275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2679550 (or 2679545 counting only the distinct ones).

The product of its digits is 11289600, while the sum is 56.

The spelling of 73188564275 in words is "seventy-three billion, one hundred eighty-eight million, five hundred sixty-four thousand, two hundred seventy-five".