720323088 has 20 divisors (see below), whose sum is σ = 1860834768. Its totient is φ = 240107680.

The previous prime is 720323077. The next prime is 720323101. The reversal of 720323088 is 880323027.

It is a happy number.

It is a super-2 number, since 2×720323088² = 1037730702211711488, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7503318 + ... + 7503413.

Almost surely, 2^720323088 is an apocalyptic number.

It is an amenable number.

720323088 is an abundant number, since it is smaller than the sum of its proper divisors (1140511680).

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

720323088 is a wasteful number, since it uses less digits than its factorization.

720323088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15006742 (or 15006736 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 720323088 is about 26838.8354441842. The cubic root of 720323088 is about 896.4149929761.

The spelling of 720323088 in words is "seven hundred twenty million, three hundred twenty-three thousand, eighty-eight".