725551110 has 24 divisors (see below), whose sum is σ = 1886433120. Its totient is φ = 193480272.

The previous prime is 725551103. The next prime is 725551111. The reversal of 725551110 is 11155527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725551111) 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 11 ways as a sum of consecutive naturals, for example, 4030750 + ... + 4030929.

It is an arithmetic number, because the mean of its divisors is an integer number (78601380).

Almost surely, 2^725551110 is an apocalyptic number.

725551110 is an abundant number, since it is smaller than the sum of its proper divisors (1160882010).

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

725551110 is a wasteful number, since it uses less digits than its factorization.

725551110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8061692 (or 8061689 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 27.

The square root of 725551110 is about 26936.0559473728. The cubic root of 725551110 is about 898.5784595779.

The spelling of 725551110 in words is "seven hundred twenty-five million, five hundred fifty-one thousand, one hundred ten".