722928463504 has 135 divisors (see below), whose sum is σ = 1543032235803. Its totient is φ = 327966003456.

The previous prime is 722928463493. The next prime is 722928463531. The reversal of 722928463504 is 405364829227.

The square root of 722928463504 is 850252.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 45006773904 + 677921689600 = 212148^2 + 823360^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3669687534 + ... + 3669687730.

Almost surely, 2^722928463504 is an apocalyptic number.

722928463504 is the 850252-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 722928463504

722928463504 is an abundant number, since it is smaller than the sum of its proper divisors (820103772299).

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

722928463504 is an equidigital number, since it uses as much as digits as its factorization.

722928463504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594 (or 295 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 52.

The spelling of 722928463504 in words is "seven hundred twenty-two billion, nine hundred twenty-eight million, four hundred sixty-three thousand, five hundred four".