720340425776 has 20 divisors (see below), whose sum is σ = 1399681659432. Its totient is φ = 359132255616.

The previous prime is 720340425773. The next prime is 720340425787. The reversal of 720340425776 is 677524043027.

720340425776 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×720340425776³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 720340425776.

It is not an unprimeable number, because it can be changed into a prime (720340425773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64866605 + ... + 64877708.

Almost surely, 2^720340425776 is an apocalyptic number.

It is an amenable number.

720340425776 is a deficient number, since it is larger than the sum of its proper divisors (679341233656).

720340425776 is a wasteful number, since it uses less digits than its factorization.

720340425776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129744668 (or 129744662 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 47.

The spelling of 720340425776 in words is "seven hundred twenty billion, three hundred forty million, four hundred twenty-five thousand, seven hundred seventy-six".