725907238 has 8 divisors (see below), whose sum is σ = 1244412432. Its totient is φ = 311103096.

The previous prime is 725907233. The next prime is 725907251. The reversal of 725907238 is 832709527.

725907238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 725907194 and 725907203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725907233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25925245 + ... + 25925272.

It is an arithmetic number, because the mean of its divisors is an integer number (155551554).

Almost surely, 2^725907238 is an apocalyptic number.

725907238 is a deficient number, since it is larger than the sum of its proper divisors (518505194).

725907238 is a wasteful number, since it uses less digits than its factorization.

725907238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51850526.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 725907238 is about 26942.6657552663. The cubic root of 725907238 is about 898.7254543253.

The spelling of 725907238 in words is "seven hundred twenty-five million, nine hundred seven thousand, two hundred thirty-eight".