725774886 has 48 divisors (see below), whose sum is σ = 1599605280. Its totient is φ = 237790080.

The previous prime is 725774879. The next prime is 725774911. The reversal of 725774886 is 688477527.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 288711 + ... + 291213.

It is an arithmetic number, because the mean of its divisors is an integer number (33325110).

Almost surely, 2^725774886 is an apocalyptic number.

725774886 is an abundant number, since it is smaller than the sum of its proper divisors (873830394).

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

725774886 is a wasteful number, since it uses less digits than its factorization.

725774886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2781 (or 2778 counting only the distinct ones).

The product of its digits is 5268480, while the sum is 54.

The square root of 725774886 is about 26940.2094646645. The cubic root of 725774886 is about 898.6708305685.

The spelling of 725774886 in words is "seven hundred twenty-five million, seven hundred seventy-four thousand, eight hundred eighty-six".