720774036416 has 28 divisors (see below), whose sum is σ = 1634612547888. Its totient is φ = 308903158272.

The previous prime is 720774036397. The next prime is 720774036421. The reversal of 720774036416 is 614630477027.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 804434861 + ... + 804435756.

Almost surely, 2^720774036416 is an apocalyptic number.

It is an amenable number.

720774036416 is an abundant number, since it is smaller than the sum of its proper divisors (913838511472).

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

720774036416 is a wasteful number, since it uses less digits than its factorization.

720774036416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608870636 (or 1608870626 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 47.

The spelling of 720774036416 in words is "seven hundred twenty billion, seven hundred seventy-four million, thirty-six thousand, four hundred sixteen".