725956554 has 8 divisors (see below), whose sum is σ = 1451913120. Its totient is φ = 241985516.

The previous prime is 725956549. The next prime is 725956571. The reversal of 725956554 is 455659527.

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

725956554 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60496374 + ... + 60496385.

It is an arithmetic number, because the mean of its divisors is an integer number (181489140).

Almost surely, 2^725956554 is an apocalyptic number.

725956554 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

725956554 is a wasteful number, since it uses less digits than its factorization.

725956554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120992764.

The product of its digits is 1890000, while the sum is 48.

The square root of 725956554 is about 26943.5809424063. The cubic root of 725956554 is about 898.7458061180.

The spelling of 725956554 in words is "seven hundred twenty-five million, nine hundred fifty-six thousand, five hundred fifty-four".