72583057 has 4 divisors (see below), whose sum is σ = 72731376. Its totient is φ = 72434740.

The previous prime is 72583051. The next prime is 72583073. The reversal of 72583057 is 75038527.

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 72583057 - 2⁷ = 72582929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72583051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73423 + ... + 74404.

It is an arithmetic number, because the mean of its divisors is an integer number (18182844).

Almost surely, 2^72583057 is an apocalyptic number.

It is an amenable number.

72583057 is a deficient number, since it is larger than the sum of its proper divisors (148319).

72583057 is a wasteful number, since it uses less digits than its factorization.

72583057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148318.

The product of its (nonzero) digits is 58800, while the sum is 37.

The square root of 72583057 is about 8519.5690618716. The cubic root of 72583057 is about 417.1367167454.

The spelling of 72583057 in words is "seventy-two million, five hundred eighty-three thousand, fifty-seven".