725118898 has 16 divisors (see below), whose sum is σ = 1243497024. Its totient is φ = 310656240.

The previous prime is 725118893. The next prime is 725118971. The reversal of 725118898 is 898811527.

It is not an unprimeable number, because it can be changed into a prime (725118893) by changing a digit.

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, 42261 + ... + 56887.

It is an arithmetic number, because the mean of its divisors is an integer number (77718564).

Almost surely, 2^725118898 is an apocalyptic number.

725118898 is a deficient number, since it is larger than the sum of its proper divisors (518378126).

725118898 is a wasteful number, since it uses less digits than its factorization.

725118898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18177.

The product of its digits is 322560, while the sum is 49.

The square root of 725118898 is about 26928.0318255902. The cubic root of 725118898 is about 898.3999959097.

The spelling of 725118898 in words is "seven hundred twenty-five million, one hundred eighteen thousand, eight hundred ninety-eight".