720872700 has 36 divisors (see below), whose sum is σ = 2085725880. Its totient is φ = 192232640.

The previous prime is 720872687. The next prime is 720872723. The reversal of 720872700 is 7278027.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1201155 + ... + 1201754.

It is an arithmetic number, because the mean of its divisors is an integer number (57936830).

Almost surely, 2^720872700 is an apocalyptic number.

It is an amenable number.

720872700 is an abundant number, since it is smaller than the sum of its proper divisors (1364853180).

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

720872700 is a wasteful number, since it uses less digits than its factorization.

720872700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2402926 (or 2402919 counting only the distinct ones).

The product of its (nonzero) digits is 10976, while the sum is 33.

The square root of 720872700 is about 26849.0726096824. The cubic root of 720872700 is about 896.6429255026.

The spelling of 720872700 in words is "seven hundred twenty million, eight hundred seventy-two thousand, seven hundred".