722862736 has 10 divisors (see below), whose sum is σ = 1400546582. Its totient is φ = 361431360.

The previous prime is 722862731. The next prime is 722862769. The reversal of 722862736 is 637268227.

It can be written as a sum of positive squares in only one way, i.e., 709902736 + 12960000 = 26644^2 + 3600^2 .

It is a junction number, because it is equal to n+sod(n) for n = 722862692 and 722862701.

It is not an unprimeable number, because it can be changed into a prime (722862731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22589445 + ... + 22589476.

Almost surely, 2^722862736 is an apocalyptic number.

It is an amenable number.

722862736 is a deficient number, since it is larger than the sum of its proper divisors (677683846).

722862736 is a wasteful number, since it uses less digits than its factorization.

722862736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45178929 (or 45178923 counting only the distinct ones).

The product of its digits is 338688, while the sum is 43.

The square root of 722862736 is about 26886.1067467940. The cubic root of 722862736 is about 897.4672560944.

The spelling of 722862736 in words is "seven hundred twenty-two million, eight hundred sixty-two thousand, seven hundred thirty-six".