722173036 has 12 divisors (see below), whose sum is σ = 1361018512. Its totient is φ = 333310608.

The previous prime is 722173027. The next prime is 722173043. The reversal of 722173036 is 630371227.

It is a junction number, because it is equal to n+sod(n) for n = 722172989 and 722173007.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6943920 + ... + 6944023.

Almost surely, 2^722173036 is an apocalyptic number.

It is an amenable number.

722173036 is a deficient number, since it is larger than the sum of its proper divisors (638845476).

722173036 is a wasteful number, since it uses less digits than its factorization.

722173036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13887960 (or 13887958 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 722173036 is about 26873.2773587443. The cubic root of 722173036 is about 897.1817338682.

The spelling of 722173036 in words is "seven hundred twenty-two million, one hundred seventy-three thousand, thirty-six".