725755018 has 8 divisors (see below), whose sum is σ = 1135964448. Its totient is φ = 347100204.

The previous prime is 725754961. The next prime is 725755049. The reversal of 725755018 is 810557527.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7888596 + ... + 7888687.

It is an arithmetic number, because the mean of its divisors is an integer number (141995556).

Almost surely, 2^725755018 is an apocalyptic number.

725755018 is a deficient number, since it is larger than the sum of its proper divisors (410209430).

725755018 is a wasteful number, since it uses less digits than its factorization.

725755018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15777308.

The product of its (nonzero) digits is 98000, while the sum is 40.

The square root of 725755018 is about 26939.8407196479. The cubic root of 725755018 is about 898.6626301585.

The spelling of 725755018 in words is "seven hundred twenty-five million, seven hundred fifty-five thousand, eighteen".