722917572 has 48 divisors (see below), whose sum is σ = 1822084992. Its totient is φ = 221760000.

The previous prime is 722917561. The next prime is 722917579. The reversal of 722917572 is 275719227.

It is not an unprimeable number, because it can be changed into a prime (722917579) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45697 + ... + 59447.

It is an arithmetic number, because the mean of its divisors is an integer number (37960104).

Almost surely, 2^722917572 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 722917572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (911042496).

722917572 is an abundant number, since it is smaller than the sum of its proper divisors (1099167420).

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

722917572 is a wasteful number, since it uses less digits than its factorization.

722917572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14108 (or 14106 counting only the distinct ones).

The product of its digits is 123480, while the sum is 42.

The square root of 722917572 is about 26887.1265106556. The cubic root of 722917572 is about 897.4899493240.

The spelling of 722917572 in words is "seven hundred twenty-two million, nine hundred seventeen thousand, five hundred seventy-two".