720275900 has 36 divisors (see below), whose sum is σ = 1616901720. Its totient is φ = 278174400.

The previous prime is 720275891. The next prime is 720275903. The reversal of 720275900 is 9572027.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720275903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121286 + ... + 127085.

Almost surely, 2^720275900 is an apocalyptic number.

It is an amenable number.

720275900 is an abundant number, since it is smaller than the sum of its proper divisors (896625820).

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

720275900 is a wasteful number, since it uses less digits than its factorization.

720275900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248414 (or 248407 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 720275900 is about 26837.9563305405. The cubic root of 720275900 is about 896.3954179849.

The spelling of 720275900 in words is "seven hundred twenty million, two hundred seventy-five thousand, nine hundred".