720560960 has 56 divisors (see below), whose sum is σ = 1960961280. Its totient is φ = 247048704.

The previous prime is 720560927. The next prime is 720560969. The reversal of 720560960 is 69065027.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×720560960² = 1038416194152243200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 720560960.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720560969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158600 + ... + 163079.

Almost surely, 2^720560960 is an apocalyptic number.

720560960 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

720560960 is an abundant number, since it is smaller than the sum of its proper divisors (1240400320).

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

720560960 is a wasteful number, since it uses less digits than its factorization.

720560960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321703 (or 321693 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 720560960 is about 26843.2665672418. The cubic root of 720560960 is about 896.5136563691.

The spelling of 720560960 in words is "seven hundred twenty million, five hundred sixty thousand, nine hundred sixty".