720426960 has 280 divisors, whose sum is σ = 2742083424. Its totient is φ = 174493440.

The previous prime is 720426943. The next prime is 720427013. The reversal of 720426960 is 69624027.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 640959 + ... + 642081.

Almost surely, 2^720426960 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 720426960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1371041712).

720426960 is an abundant number, since it is smaller than the sum of its proper divisors (2021656464).

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

720426960 is a wasteful number, since it uses less digits than its factorization.

720426960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165 (or 1144 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 720426960 is about 26840.7704807444. The cubic root of 720426960 is about 896.4580791710.

The spelling of 720426960 in words is "seven hundred twenty million, four hundred twenty-six thousand, nine hundred sixty".