725887558 has 16 divisors (see below), whose sum is σ = 1215441216. Its totient is φ = 322275240.

The previous prime is 725887541. The next prime is 725887559. The reversal of 725887558 is 855788527.

It is a junction number, because it is equal to n+sod(n) for n = 725887499 and 725887508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725887559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382716 + ... + 384607.

It is an arithmetic number, because the mean of its divisors is an integer number (75965076).

Almost surely, 2^725887558 is an apocalyptic number.

725887558 is a deficient number, since it is larger than the sum of its proper divisors (489553658).

725887558 is a wasteful number, since it uses less digits than its factorization.

725887558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767379.

The product of its digits is 6272000, while the sum is 55.

The square root of 725887558 is about 26942.3005328053. The cubic root of 725887558 is about 898.7173324993.

The spelling of 725887558 in words is "seven hundred twenty-five million, eight hundred eighty-seven thousand, five hundred fifty-eight".