720313000 has 96 divisors (see below), whose sum is σ = 1853003880. Its totient is φ = 261888000.

The previous prime is 720312997. The next prime is 720313019. The reversal of 720313000 is 313027.

It can be written as a sum of positive squares in 4 ways, for example, as 36072036 + 684240964 = 6006^2 + 26158^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118024 + ... + 123976.

Almost surely, 2^720313000 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 720313000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (926501940).

720313000 is an abundant number, since it is smaller than the sum of its proper divisors (1132690880).

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

720313000 is a wasteful number, since it uses less digits than its factorization.

720313000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5996 (or 5971 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 16.

The square root of 720313000 is about 26838.6475069069. The cubic root of 720313000 is about 896.4108082444.

Adding to 720313000 its reverse (313027), we get a palindrome (720626027).

The spelling of 720313000 in words is "seven hundred twenty million, three hundred thirteen thousand".