722605936 has 20 divisors (see below), whose sum is σ = 1507745512. Its totient is φ = 333510336.

The previous prime is 722605931. The next prime is 722605937. The reversal of 722605936 is 639506227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722605931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1736826 + ... + 1737241.

Almost surely, 2^722605936 is an apocalyptic number.

It is an amenable number.

722605936 is an abundant number, since it is smaller than the sum of its proper divisors (785139576).

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

722605936 is a wasteful number, since it uses less digits than its factorization.

722605936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3474088 (or 3474082 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 722605936 is about 26881.3306218275. The cubic root of 722605936 is about 897.3609671791.

The spelling of 722605936 in words is "seven hundred twenty-two million, six hundred five thousand, nine hundred thirty-six".