722671152 has 80 divisors (see below), whose sum is σ = 2153647872. Its totient is φ = 204537600.

The previous prime is 722671141. The next prime is 722671171. The reversal of 722671152 is 251176227.

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, 25902 + ... + 46002.

Almost surely, 2^722671152 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 722671152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1076823936).

722671152 is an abundant number, since it is smaller than the sum of its proper divisors (1430976720).

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

722671152 is a wasteful number, since it uses less digits than its factorization.

722671152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20226 (or 20220 counting only the distinct ones).

The product of its digits is 11760, while the sum is 33.

The square root of 722671152 is about 26882.5436296493. The cubic root of 722671152 is about 897.3879623131.

The spelling of 722671152 in words is "seven hundred twenty-two million, six hundred seventy-one thousand, one hundred fifty-two".