725850042 has 16 divisors (see below), whose sum is σ = 1459302912. Its totient is φ = 240682880.

The previous prime is 725850029. The next prime is 725850067. The reversal of 725850042 is 240058527.

It is a junction number, because it is equal to n+sod(n) for n = 725849985 and 725850012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315543 + ... + 317834.

It is an arithmetic number, because the mean of its divisors is an integer number (91206432).

Almost surely, 2^725850042 is an apocalyptic number.

725850042 is an abundant number, since it is smaller than the sum of its proper divisors (733452870).

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

725850042 is a wasteful number, since it uses less digits than its factorization.

725850042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633573.

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 725850042 is about 26941.6042952160. The cubic root of 725850042 is about 898.7018494492.

The spelling of 725850042 in words is "seven hundred twenty-five million, eight hundred fifty thousand, forty-two".