722070680 has 64 divisors (see below), whose sum is σ = 1751954400. Its totient is φ = 266941440.

The previous prime is 722070659. The next prime is 722070697. The reversal of 722070680 is 86070227.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19574 + ... + 42746.

Almost surely, 2^722070680 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 722070680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (875977200).

722070680 is an abundant number, since it is smaller than the sum of its proper divisors (1029883720).

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

722070680 is a wasteful number, since it uses less digits than its factorization.

722070680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23244 (or 23240 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 722070680 is about 26871.3728715151. The cubic root of 722070680 is about 897.1393450094.

The spelling of 722070680 in words is "seven hundred twenty-two million, seventy thousand, six hundred eighty".