722873793 has 4 divisors (see below), whose sum is σ = 963831728. Its totient is φ = 481915860.

The previous prime is 722873777. The next prime is 722873819. The reversal of 722873793 is 397378227.

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 not a de Polignac number, because 722873793 - 2⁴ = 722873777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (722873743) 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, 120478963 + ... + 120478968.

It is an arithmetic number, because the mean of its divisors is an integer number (240957932).

Almost surely, 2^722873793 is an apocalyptic number.

It is an amenable number.

722873793 is a deficient number, since it is larger than the sum of its proper divisors (240957935).

722873793 is a wasteful number, since it uses less digits than its factorization.

722873793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240957934.

The product of its digits is 889056, while the sum is 48.

The square root of 722873793 is about 26886.3123726553. The cubic root of 722873793 is about 897.4718319954.

The spelling of 722873793 in words is "seven hundred twenty-two million, eight hundred seventy-three thousand, seven hundred ninety-three".