720494752992 has 96 divisors (see below), whose sum is σ = 2171006675712. Its totient is φ = 204948747264.

The previous prime is 720494752963. The next prime is 720494752997. The reversal of 720494752992 is 299257494027.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×720494752992² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720494752997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2209053 + ... + 2514140.

It is an arithmetic number, because the mean of its divisors is an integer number (22614652872).

Almost surely, 2^720494752992 is an apocalyptic number.

It is an amenable number.

720494752992 is an abundant number, since it is smaller than the sum of its proper divisors (1450511922720).

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

720494752992 is a wasteful number, since it uses less digits than its factorization.

720494752992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4723440 (or 4723432 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 60.

The spelling of 720494752992 in words is "seven hundred twenty billion, four hundred ninety-four million, seven hundred fifty-two thousand, nine hundred ninety-two".