725353392 has 80 divisors (see below), whose sum is σ = 1960231680. Its totient is φ = 230689536.

The previous prime is 725353357. The next prime is 725353429. The reversal of 725353392 is 293353527.

It is a super-2 number, since 2×725353392² = 1052275086571811328, 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 725353392.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 727038 + ... + 728034.

It is an arithmetic number, because the mean of its divisors is an integer number (24502896).

Almost surely, 2^725353392 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 725353392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (980115840).

725353392 is an abundant number, since it is smaller than the sum of its proper divisors (1234878288).

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

725353392 is a wasteful number, since it uses less digits than its factorization.

725353392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690 (or 1684 counting only the distinct ones).

The product of its digits is 170100, while the sum is 39.

The square root of 725353392 is about 26932.3855608819. The cubic root of 725353392 is about 898.4968290884.

The spelling of 725353392 in words is "seven hundred twenty-five million, three hundred fifty-three thousand, three hundred ninety-two".