722865006 has 64 divisors (see below), whose sum is σ = 1685606400. Its totient is φ = 229327200.

The previous prime is 722864983. The next prime is 722865043. The reversal of 722865006 is 600568227.

722865006 is a `hidden beast` number, since 72 + 2 + 86 + 500 + 6 = 666.

722865006 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98575 + ... + 105653.

It is an arithmetic number, because the mean of its divisors is an integer number (26337600).

Almost surely, 2^722865006 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 722865006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (842803200).

722865006 is an abundant number, since it is smaller than the sum of its proper divisors (962741394).

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

722865006 is a wasteful number, since it uses less digits than its factorization.

722865006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7182 (or 7176 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 722865006 is about 26886.1489618725. The cubic root of 722865006 is about 897.4681955298.

The spelling of 722865006 in words is "seven hundred twenty-two million, eight hundred sixty-five thousand, six".