725123982 has 32 divisors (see below), whose sum is σ = 1605711744. Its totient is φ = 216453600.

The previous prime is 725123981. The next prime is 725124031. The reversal of 725123982 is 289321527.

It is a self number, because there is not a number n which added to its sum of digits gives 725123982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725123981) 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, 77569 + ... + 86412.

It is an arithmetic number, because the mean of its divisors is an integer number (50178492).

Almost surely, 2^725123982 is an apocalyptic number.

725123982 is an abundant number, since it is smaller than the sum of its proper divisors (880587762).

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

725123982 is a wasteful number, since it uses less digits than its factorization.

725123982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164064.

The product of its digits is 60480, while the sum is 39.

The square root of 725123982 is about 26928.1262251944. The cubic root of 725123982 is about 898.4020955447.

The spelling of 725123982 in words is "seven hundred twenty-five million, one hundred twenty-three thousand, nine hundred eighty-two".