725442107 has 8 divisors (see below), whose sum is σ = 781662000. Its totient is φ = 669281760.

The previous prime is 725442101. The next prime is 725442127. The reversal of 725442107 is 701244527.

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

It is a cyclic number.

It is not a de Polignac number, because 725442107 - 2⁶ = 725442043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (725442101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12269 + ... + 40017.

It is an arithmetic number, because the mean of its divisors is an integer number (97707750).

Almost surely, 2^725442107 is an apocalyptic number.

725442107 is a deficient number, since it is larger than the sum of its proper divisors (56219893).

725442107 is a wasteful number, since it uses less digits than its factorization.

725442107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29773.

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 725442107 is about 26934.0325053639. The cubic root of 725442107 is about 898.5334580832.

The spelling of 725442107 in words is "seven hundred twenty-five million, four hundred forty-two thousand, one hundred seven".