722670788 has 12 divisors (see below), whose sum is σ = 1445341632. Its totient is φ = 309716040.

The previous prime is 722670779. The next prime is 722670803. The reversal of 722670788 is 887076227.

It is a happy number.

722670788 is an admirable number.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12904808 + ... + 12904863.

It is an arithmetic number, because the mean of its divisors is an integer number (120445136).

Almost surely, 2^722670788 is an apocalyptic number.

It is an amenable number.

722670788 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

722670788 is a wasteful number, since it uses less digits than its factorization.

722670788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25809682 (or 25809680 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 47.

The square root of 722670788 is about 26882.5368594558. The cubic root of 722670788 is about 897.3878116456.

The spelling of 722670788 in words is "seven hundred twenty-two million, six hundred seventy thousand, seven hundred eighty-eight".