722476144 has 20 divisors (see below), whose sum is σ = 1507474696. Its totient is φ = 333450432.

The previous prime is 722476103. The next prime is 722476229. The reversal of 722476144 is 441674227.

It is a congruent number.

It is an unprimeable number.

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, 1736514 + ... + 1736929.

Almost surely, 2^722476144 is an apocalyptic number.

It is an amenable number.

722476144 is an abundant number, since it is smaller than the sum of its proper divisors (784998552).

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

722476144 is a wasteful number, since it uses less digits than its factorization.

722476144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3473464 (or 3473458 counting only the distinct ones).

The product of its digits is 75264, while the sum is 37.

The square root of 722476144 is about 26878.9163472042. The cubic root of 722476144 is about 897.3072369955.

The spelling of 722476144 in words is "seven hundred twenty-two million, four hundred seventy-six thousand, one hundred forty-four".