720765076 has 96 divisors (see below), whose sum is σ = 1447891200. Its totient is φ = 312238080.

The previous prime is 720765061. The next prime is 720765077. The reversal of 720765076 is 670567027.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720765077) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6378396 + ... + 6378508.

It is an arithmetic number, because the mean of its divisors is an integer number (15082200).

Almost surely, 2^720765076 is an apocalyptic number.

720765076 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

720765076 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

720765076 is a wasteful number, since it uses less digits than its factorization.

720765076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 40.

The square root of 720765076 is about 26847.0682943222. The cubic root of 720765076 is about 896.5983013033.

The spelling of 720765076 in words is "seven hundred twenty million, seven hundred sixty-five thousand, seventy-six".