721714622 has 16 divisors (see below), whose sum is σ = 1093820112. Its totient is φ = 357127680.

The previous prime is 721714613. The next prime is 721714649. The reversal of 721714622 is 226417127.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71297 + ... + 80787.

It is an arithmetic number, because the mean of its divisors is an integer number (68363757).

Almost surely, 2^721714622 is an apocalyptic number.

721714622 is a deficient number, since it is larger than the sum of its proper divisors (372105490).

721714622 is a wasteful number, since it uses less digits than its factorization.

721714622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9883.

The product of its digits is 9408, while the sum is 32.

The square root of 721714622 is about 26864.7468255333. The cubic root of 721714622 is about 896.9918589119.

The spelling of 721714622 in words is "seven hundred twenty-one million, seven hundred fourteen thousand, six hundred twenty-two".