72304675 has 12 divisors (see below), whose sum is σ = 90888280. Its totient is φ = 57049920.

The previous prime is 72304657. The next prime is 72304693. The reversal of 72304675 is 57640327.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (72304657) and next prime (72304693).

It is not a de Polignac number, because 72304675 - 2⁵ = 72304643 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72304675.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17985 + ... + 21634.

Almost surely, 2^72304675 is an apocalyptic number.

72304675 is a deficient number, since it is larger than the sum of its proper divisors (18583605).

72304675 is a wasteful number, since it uses less digits than its factorization.

72304675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39702 (or 39697 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 72304675 is about 8503.2155682424. The cubic root of 72304675 is about 416.6027439716.

The spelling of 72304675 in words is "seventy-two million, three hundred four thousand, six hundred seventy-five".