720716700 has 288 divisors, whose sum is σ = 2497340160. Its totient is φ = 158412800.

The previous prime is 720716677. The next prime is 720716713. The reversal of 720716700 is 7617027.

It is a happy number.

It is a super-4 number, since 4×720716700⁴ (a number of 37 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1626679 + ... + 1627121.

It is an arithmetic number, because the mean of its divisors is an integer number (8671320).

Almost surely, 2^720716700 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 720716700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1248670080).

720716700 is an abundant number, since it is smaller than the sum of its proper divisors (1776623460).

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

720716700 is a wasteful number, since it uses less digits than its factorization.

720716700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517 (or 510 counting only the distinct ones).

The product of its (nonzero) digits is 4116, while the sum is 30.

The square root of 720716700 is about 26846.1673242197. The cubic root of 720716700 is about 896.5782416883.

The spelling of 720716700 in words is "seven hundred twenty million, seven hundred sixteen thousand, seven hundred".