722727360 has 140 divisors (see below), whose sum is σ = 2570960568. Its totient is φ = 192720384.

The previous prime is 722727347. The next prime is 722727371. The reversal of 722727360 is 63727227.

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 19 ways as a sum of consecutive naturals, for example, 11979 + ... + 39861.

Almost surely, 2^722727360 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 722727360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1285480284).

722727360 is an abundant number, since it is smaller than the sum of its proper divisors (1848233208).

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

722727360 is a wasteful number, since it uses less digits than its factorization.

722727360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27912 (or 27893 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 36.

The square root of 722727360 is about 26883.5890461077. The cubic root of 722727360 is about 897.4112274247.

The spelling of 722727360 in words is "seven hundred twenty-two million, seven hundred twenty-seven thousand, three hundred sixty".