72580983 has 4 divisors (see below), whose sum is σ = 96774648. Its totient is φ = 48387320.

The previous prime is 72580979. The next prime is 72581011. The reversal of 72580983 is 38908527.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72580983 - 2² = 72580979 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72580913) 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, 12096828 + ... + 12096833.

It is an arithmetic number, because the mean of its divisors is an integer number (24193662).

Almost surely, 2^72580983 is an apocalyptic number.

72580983 is a deficient number, since it is larger than the sum of its proper divisors (24193665).

72580983 is a wasteful number, since it uses less digits than its factorization.

72580983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24193664.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 72580983 is about 8519.4473412305. The cubic root of 72580983 is about 417.1327435969.

The spelling of 72580983 in words is "seventy-two million, five hundred eighty thousand, nine hundred eighty-three".