722576736 has 108 divisors (see below), whose sum is σ = 2390356332. Its totient is φ = 206446464.

The previous prime is 722576693. The next prime is 722576741. The reversal of 722576736 is 637675227.

722576736 is a `hidden beast` number, since 7 + 2 + 2 + 576 + 73 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 722576691 and 722576700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11490 + ... + 39713.

It is an arithmetic number, because the mean of its divisors is an integer number (22132929).

Almost surely, 2^722576736 is an apocalyptic number.

It is an amenable number.

722576736 is an abundant number, since it is smaller than the sum of its proper divisors (1667779596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

722576736 is a wasteful number, since it uses less digits than its factorization.

722576736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51233 (or 51215 counting only the distinct ones).

The product of its digits is 740880, while the sum is 45.

The square root of 722576736 is about 26880.7874884647. The cubic root of 722576736 is about 897.3488797734.

The spelling of 722576736 in words is "seven hundred twenty-two million, five hundred seventy-six thousand, seven hundred thirty-six".