722405504 has 32 divisors (see below), whose sum is σ = 1472647440. Its totient is φ = 352800000.

The previous prime is 722405503. The next prime is 722405539. The reversal of 722405504 is 405504227.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (722405503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60122 + ... + 71129.

Almost surely, 2^722405504 is an apocalyptic number.

It is an amenable number.

722405504 is an abundant number, since it is smaller than the sum of its proper divisors (750241936).

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

722405504 is a wasteful number, since it uses less digits than its factorization.

722405504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131308 (or 131296 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 722405504 is about 26877.6022740125. The cubic root of 722405504 is about 897.2779913474.

The spelling of 722405504 in words is "seven hundred twenty-two million, four hundred five thousand, five hundred four".