722764366 has 8 divisors (see below), whose sum is σ = 1092683520. Its totient is φ = 358536528.

The previous prime is 722764321. The next prime is 722764421. The reversal of 722764366 is 663467227.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 1422511 + ... + 1423018.

It is an arithmetic number, because the mean of its divisors is an integer number (136585440).

Almost surely, 2^722764366 is an apocalyptic number.

722764366 is a deficient number, since it is larger than the sum of its proper divisors (369919154).

722764366 is a wasteful number, since it uses less digits than its factorization.

722764366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2845658.

The product of its digits is 508032, while the sum is 43.

The square root of 722764366 is about 26884.2773010546. The cubic root of 722764366 is about 897.4265439580.

The spelling of 722764366 in words is "seven hundred twenty-two million, seven hundred sixty-four thousand, three hundred sixty-six".