722415456 has 96 divisors (see below), whose sum is σ = 2408071680. Its totient is φ = 206402688.

The previous prime is 722415443. The next prime is 722415457. The reversal of 722415456 is 654514227.

It is a happy number.

722415456 is a `hidden beast` number, since 72 + 2 + 41 + 545 + 6 = 666.

722415456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

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 722415456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722415457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53676 + ... + 65771.

It is an arithmetic number, because the mean of its divisors is an integer number (25084080).

Almost surely, 2^722415456 is an apocalyptic number.

It is an amenable number.

722415456 is an abundant number, since it is smaller than the sum of its proper divisors (1685656224).

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

722415456 is a wasteful number, since it uses less digits than its factorization.

722415456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119473 (or 119459 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 722415456 is about 26877.7874089368. The cubic root of 722415456 is about 897.2821116878.

The spelling of 722415456 in words is "seven hundred twenty-two million, four hundred fifteen thousand, four hundred fifty-six".