722599488 has 224 divisors, whose sum is σ = 2409545600. Its totient is φ = 210511872.

The previous prime is 722599483. The next prime is 722599499. The reversal of 722599488 is 884995227.

722599488 is a `hidden beast` number, since 7 + 2 + 2 + 599 + 48 + 8 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (722599483) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 425970 + ... + 427662.

It is an arithmetic number, because the mean of its divisors is an integer number (10756900).

Almost surely, 2^722599488 is an apocalyptic number.

722599488 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 722599488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1204772800).

722599488 is an abundant number, since it is smaller than the sum of its proper divisors (1686946112).

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

722599488 is a wasteful number, since it uses less digits than its factorization.

722599488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746 (or 1730 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 722599488 is about 26881.2106870208. The cubic root of 722599488 is about 897.3582980430.

The spelling of 722599488 in words is "seven hundred twenty-two million, five hundred ninety-nine thousand, four hundred eighty-eight".