721470854896 has 40 divisors (see below), whose sum is σ = 1526076681984. Its totient is φ = 327694061760.

The previous prime is 721470854827. The next prime is 721470854911. The reversal of 721470854896 is 698458074127.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1311010 + ... + 1778113.

Almost surely, 2^721470854896 is an apocalyptic number.

It is an amenable number.

721470854896 is an abundant number, since it is smaller than the sum of its proper divisors (804605827088).

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

721470854896 is a wasteful number, since it uses less digits than its factorization.

721470854896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3090469 (or 3090463 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 61.

The spelling of 721470854896 in words is "seven hundred twenty-one billion, four hundred seventy million, eight hundred fifty-four thousand, eight hundred ninety-six".