72570593 has 4 divisors (see below), whose sum is σ = 72591360. Its totient is φ = 72549828.

The previous prime is 72570587. The next prime is 72570601. The reversal of 72570593 is 39507527.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 72570593 - 2¹⁶ = 72505057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72570193) 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 3 ways as a sum of consecutive naturals, for example, 3713 + ... + 12606.

It is an arithmetic number, because the mean of its divisors is an integer number (18147840).

Almost surely, 2^72570593 is an apocalyptic number.

It is an amenable number.

72570593 is a deficient number, since it is larger than the sum of its proper divisors (20767).

72570593 is a wasteful number, since it uses less digits than its factorization.

72570593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20766.

The product of its (nonzero) digits is 66150, while the sum is 38.

The square root of 72570593 is about 8518.8375380682. The cubic root of 72570593 is about 417.1128384011.

The spelling of 72570593 in words is "seventy-two million, five hundred seventy thousand, five hundred ninety-three".