75264979473 has 6 divisors (see below), whose sum is σ = 108716081474. Its totient is φ = 50176652976.

The previous prime is 75264979469. The next prime is 75264979481. The reversal of 75264979473 is 37497946257.

75264979473 is a `hidden beast` number, since 7 + 52 + 6 + 49 + 79 + 473 = 666.

It can be written as a sum of positive squares in only one way, i.e., 74053104129 + 1211875344 = 272127^2 + 34812^2 .

It is not a de Polignac number, because 75264979473 - 2² = 75264979469 is a prime.

It is a super-2 number, since 2×75264979473² (a number of 23 digits) contains 22 as substring.

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 75264979473.

It is not an unprimeable number, because it can be changed into a prime (75264979373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4181387740 + ... + 4181387757.

Almost surely, 2^75264979473 is an apocalyptic number.

It is an amenable number.

75264979473 is a deficient number, since it is larger than the sum of its proper divisors (33451102001).

75264979473 is a wasteful number, since it uses less digits than its factorization.

75264979473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8362775503 (or 8362775500 counting only the distinct ones).

The product of its digits is 80015040, while the sum is 63.

The spelling of 75264979473 in words is "seventy-five billion, two hundred sixty-four million, nine hundred seventy-nine thousand, four hundred seventy-three".