720364320 has 384 divisors, whose sum is σ = 2763694080. Its totient is φ = 174182400.

The previous prime is 720364313. The next prime is 720364343. The reversal of 720364320 is 23463027.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5672097 + ... + 5672223.

It is an arithmetic number, because the mean of its divisors is an integer number (7197120).

Almost surely, 2^720364320 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 720364320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1381847040).

720364320 is an abundant number, since it is smaller than the sum of its proper divisors (2043329760).

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

720364320 is a wasteful number, since it uses less digits than its factorization.

720364320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 720364320 is about 26839.6035738235. The cubic root of 720364320 is about 896.4320965409.

The spelling of 720364320 in words is "seven hundred twenty million, three hundred sixty-four thousand, three hundred twenty".