722575340 has 24 divisors (see below), whose sum is σ = 1517936112. Its totient is φ = 288929600.

The previous prime is 722575297. The next prime is 722575391. The reversal of 722575340 is 43575227.

It is a super-2 number, since 2×722575340² = 1044230243952231200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 722575340.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84962 + ... + 93078.

It is an arithmetic number, because the mean of its divisors is an integer number (63247338).

Almost surely, 2^722575340 is an apocalyptic number.

It is an amenable number.

722575340 is an abundant number, since it is smaller than the sum of its proper divisors (795360772).

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

722575340 is a wasteful number, since it uses less digits than its factorization.

722575340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12577 (or 12575 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 35.

The square root of 722575340 is about 26880.7615219510. The cubic root of 722575340 is about 897.3483018879.

The spelling of 722575340 in words is "seven hundred twenty-two million, five hundred seventy-five thousand, three hundred forty".