72900475 has 6 divisors (see below), whose sum is σ = 90396620. Its totient is φ = 58320360.

The previous prime is 72900469. The next prime is 72900533. The reversal of 72900475 is 57400927.

It is not a de Polignac number, because 72900475 - 2³ = 72900467 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72900475.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1457985 + ... + 1458034.

Almost surely, 2^72900475 is an apocalyptic number.

72900475 is a deficient number, since it is larger than the sum of its proper divisors (17496145).

72900475 is a wasteful number, since it uses less digits than its factorization.

72900475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2916029 (or 2916024 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 72900475 is about 8538.1774987406. The cubic root of 72900475 is about 417.7439023296.

The spelling of 72900475 in words is "seventy-two million, nine hundred thousand, four hundred seventy-five".