722524736 has 28 divisors (see below), whose sum is σ = 1444721520. Its totient is φ = 358500480.

The previous prime is 722524651. The next prime is 722524739. The reversal of 722524736 is 637425227.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 722524736.

It is not an unprimeable number, because it can be changed into a prime (722524739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34706 + ... + 51473.

Almost surely, 2^722524736 is an apocalyptic number.

It is an amenable number.

722524736 is a deficient number, since it is larger than the sum of its proper divisors (722196784).

722524736 is a wasteful number, since it uses less digits than its factorization.

722524736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86322 (or 86312 counting only the distinct ones).

The product of its digits is 141120, while the sum is 38.

The square root of 722524736 is about 26879.8202374941. The cubic root of 722524736 is about 897.3273534502.

The spelling of 722524736 in words is "seven hundred twenty-two million, five hundred twenty-four thousand, seven hundred thirty-six".