72722359 has 8 divisors (see below), whose sum is σ = 74188800. Its totient is φ = 71270136.

The previous prime is 72722347. The next prime is 72722387. The reversal of 72722359 is 95322727.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72722359 - 2⁵ = 72722327 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 (72722339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7092 + ... + 13990.

It is an arithmetic number, because the mean of its divisors is an integer number (9273600).

Almost surely, 2^72722359 is an apocalyptic number.

72722359 is a deficient number, since it is larger than the sum of its proper divisors (1466441).

72722359 is a wasteful number, since it uses less digits than its factorization.

72722359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7109.

The product of its digits is 52920, while the sum is 37.

The square root of 72722359 is about 8527.7405565601. The cubic root of 72722359 is about 417.4034036148.

The spelling of 72722359 in words is "seventy-two million, seven hundred twenty-two thousand, three hundred fifty-nine".