722767316 has 24 divisors (see below), whose sum is σ = 1299545856. Its totient is φ = 351561440.

The previous prime is 722767313. The next prime is 722767321. The reversal of 722767316 is 613767227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722767313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19886 + ... + 42906.

It is an arithmetic number, because the mean of its divisors is an integer number (54147744).

Almost surely, 2^722767316 is an apocalyptic number.

It is an amenable number.

722767316 is a deficient number, since it is larger than the sum of its proper divisors (576778540).

722767316 is a wasteful number, since it uses less digits than its factorization.

722767316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23239 (or 23237 counting only the distinct ones).

The product of its digits is 148176, while the sum is 41.

The square root of 722767316 is about 26884.3321657801. The cubic root of 722767316 is about 897.4277649206.

The spelling of 722767316 in words is "seven hundred twenty-two million, seven hundred sixty-seven thousand, three hundred sixteen".