722969916 has 24 divisors (see below), whose sum is σ = 1687830480. Its totient is φ = 240861312.

The previous prime is 722969909. The next prime is 722969917. The reversal of 722969916 is 619969227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722969917) 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, 8880 + ... + 39048.

It is an arithmetic number, because the mean of its divisors is an integer number (70326270).

Almost surely, 2^722969916 is an apocalyptic number.

It is an amenable number.

722969916 is an abundant number, since it is smaller than the sum of its proper divisors (964860564).

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

722969916 is a wasteful number, since it uses less digits than its factorization.

722969916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32173 (or 32171 counting only the distinct ones).

The product of its digits is 734832, while the sum is 51.

The square root of 722969916 is about 26888.0998956788. The cubic root of 722969916 is about 897.5116101984.

The spelling of 722969916 in words is "seven hundred twenty-two million, nine hundred sixty-nine thousand, nine hundred sixteen".