721714110464 has 56 divisors (see below), whose sum is σ = 1506094432560. Its totient is φ = 345167527936.

The previous prime is 721714110413. The next prime is 721714110479. The reversal of 721714110464 is 464011417127.

It is a happy number.

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, 1726799 + ... + 2103630.

Almost surely, 2^721714110464 is an apocalyptic number.

It is an amenable number.

721714110464 is an abundant number, since it is smaller than the sum of its proper divisors (784380322096).

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

721714110464 is an equidigital number, since it uses as much as digits as its factorization.

721714110464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3830478 (or 3830454 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 38.

The spelling of 721714110464 in words is "seven hundred twenty-one billion, seven hundred fourteen million, one hundred ten thousand, four hundred sixty-four".