725106855 has 64 divisors (see below), whose sum is σ = 1330172928. Its totient is φ = 333864960.

The previous prime is 725106829. The next prime is 725106859. The reversal of 725106855 is 558601527.

It is not a de Polignac number, because 725106855 - 2¹⁰ = 725105831 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725106859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 595207 + ... + 596423.

It is an arithmetic number, because the mean of its divisors is an integer number (20783952).

Almost surely, 2^725106855 is an apocalyptic number.

725106855 is a deficient number, since it is larger than the sum of its proper divisors (605066073).

725106855 is a wasteful number, since it uses less digits than its factorization.

725106855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416.

The product of its (nonzero) digits is 84000, while the sum is 39.

The square root of 725106855 is about 26927.8082101013. The cubic root of 725106855 is about 898.3950222468.

The spelling of 725106855 in words is "seven hundred twenty-five million, one hundred six thousand, eight hundred fifty-five".