722595492 has 72 divisors (see below), whose sum is σ = 1955396352. Its totient is φ = 233085600.

The previous prime is 722595491. The next prime is 722595493. The reversal of 722595492 is 294595227.

722595492 is a `hidden beast` number, since 72 + 2 + 5 + 95 + 492 = 666.

722595492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (722595491) and next prime (722595493).

It is not an unprimeable number, because it can be changed into a prime (722595491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18142 + ... + 42122.

Almost surely, 2^722595492 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 722595492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (977698176).

722595492 is an abundant number, since it is smaller than the sum of its proper divisors (1232800860).

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

722595492 is a wasteful number, since it uses less digits than its factorization.

722595492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24031 (or 24017 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 722595492 is about 26881.1363599086. The cubic root of 722595492 is about 897.3566438992.

The spelling of 722595492 in words is "seven hundred twenty-two million, five hundred ninety-five thousand, four hundred ninety-two".