725959908 has 90 divisors (see below), whose sum is σ = 2016264866. Its totient is φ = 227722752.

The previous prime is 725959907. The next prime is 725959933. The reversal of 725959908 is 809959527.

It can be written as a sum of positive squares in 3 ways, for example, as 544195584 + 181764324 = 23328^2 + 13482^2 .

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (725959903) 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 29 ways as a sum of consecutive naturals, for example, 89760 + ... + 97512.

Almost surely, 2^725959908 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 725959908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1008132433).

725959908 is an abundant number, since it is smaller than the sum of its proper divisors (1290304958).

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

725959908 is a wasteful number, since it uses less digits than its factorization.

725959908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7803 (or 7775 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 54.

The square root of 725959908 is about 26943.6431835043. The cubic root of 725959908 is about 898.7471902177.

The spelling of 725959908 in words is "seven hundred twenty-five million, nine hundred fifty-nine thousand, nine hundred eight".