726622922 has 8 divisors (see below), whose sum is σ = 1090790400. Its totient is φ = 363026124.

The previous prime is 726622921. The next prime is 726622931. The reversal of 726622922 is 229226627.

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

It is not an unprimeable number, because it can be changed into a prime (726622921) 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, 139472 + ... + 144587.

It is an arithmetic number, because the mean of its divisors is an integer number (136348800).

Almost surely, 2^726622922 is an apocalyptic number.

726622922 is a deficient number, since it is larger than the sum of its proper divisors (364167478).

726622922 is a wasteful number, since it uses less digits than its factorization.

726622922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285340.

The product of its digits is 72576, while the sum is 38.

The square root of 726622922 is about 26955.9440940213. The cubic root of 726622922 is about 899.0207134293.

The spelling of 726622922 in words is "seven hundred twenty-six million, six hundred twenty-two thousand, nine hundred twenty-two".