720370560 has 768 divisors, whose sum is σ = 3125606400. Its totient is φ = 139345920.

The previous prime is 720370499. The next prime is 720370561. The reversal of 720370560 is 65073027.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720370561) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 23237745 + ... + 23237775.

It is an arithmetic number, because the mean of its divisors is an integer number (4069800).

Almost surely, 2^720370560 is an apocalyptic number.

720370560 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 720370560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1562803200).

720370560 is an abundant number, since it is smaller than the sum of its proper divisors (2405235840).

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

720370560 is a wasteful number, since it uses less digits than its factorization.

720370560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 720370560 is about 26839.7198197001. The cubic root of 720370560 is about 896.4346849164.

The spelling of 720370560 in words is "seven hundred twenty million, three hundred seventy thousand, five hundred sixty".