72575365 has 4 divisors (see below), whose sum is σ = 87090444. Its totient is φ = 58060288.

The previous prime is 72575353. The next prime is 72575387. The reversal of 72575365 is 56357527.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56357527 = 29 ⋅1943363.

It can be written as a sum of positive squares in 2 ways, for example, as 40119556 + 32455809 = 6334^2 + 5697^2 .

It is a cyclic number.

It is not a de Polignac number, because 72575365 - 2⁵ = 72575333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7257532 + ... + 7257541.

It is an arithmetic number, because the mean of its divisors is an integer number (21772611).

Almost surely, 2^72575365 is an apocalyptic number.

It is an amenable number.

72575365 is a deficient number, since it is larger than the sum of its proper divisors (14515079).

72575365 is a wasteful number, since it uses less digits than its factorization.

72575365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14515078.

The product of its digits is 220500, while the sum is 40.

The square root of 72575365 is about 8519.1176186269. The cubic root of 72575365 is about 417.1219808501.

The spelling of 72575365 in words is "seventy-two million, five hundred seventy-five thousand, three hundred sixty-five".