72850079 has 4 divisors (see below), whose sum is σ = 73297176. Its totient is φ = 72402984.

The previous prime is 72850069. The next prime is 72850081. The reversal of 72850079 is 97005827.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72850079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72850069) 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, 223304 + ... + 223629.

It is an arithmetic number, because the mean of its divisors is an integer number (18324294).

Almost surely, 2^72850079 is an apocalyptic number.

72850079 is a deficient number, since it is larger than the sum of its proper divisors (447097).

72850079 is a wasteful number, since it uses less digits than its factorization.

72850079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447096.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 72850079 is about 8535.2257732294. The cubic root of 72850079 is about 417.6476182072.

The spelling of 72850079 in words is "seventy-two million, eight hundred fifty thousand, seventy-nine".