722016576 has 84 divisors (see below), whose sum is σ = 2080260000. Its totient is φ = 239424768.

The previous prime is 722016563. The next prime is 722016613. The reversal of 722016576 is 675610227.

722016576 is a `hidden beast` number, since 72 + 2 + 0 + 16 + 576 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 722016576.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111475 + ... + 117773.

It is an arithmetic number, because the mean of its divisors is an integer number (24765000).

Almost surely, 2^722016576 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 722016576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1040130000).

722016576 is an abundant number, since it is smaller than the sum of its proper divisors (1358243424).

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

722016576 is a wasteful number, since it uses less digits than its factorization.

722016576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6516 (or 6503 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 722016576 is about 26870.3661307396. The cubic root of 722016576 is about 897.1169372125.

The spelling of 722016576 in words is "seven hundred twenty-two million, sixteen thousand, five hundred seventy-six".