725779832 has 8 divisors (see below), whose sum is σ = 1360837200. Its totient is φ = 362889912.

The previous prime is 725779811. The next prime is 725779837. The reversal of 725779832 is 238977527.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725779837) 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 as a sum of consecutive naturals, namely, 45361232 + ... + 45361247.

It is an arithmetic number, because the mean of its divisors is an integer number (170104650).

Almost surely, 2^725779832 is an apocalyptic number.

It is an amenable number.

725779832 is a deficient number, since it is larger than the sum of its proper divisors (635057368).

725779832 is a wasteful number, since it uses less digits than its factorization.

725779832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90722485 (or 90722481 counting only the distinct ones).

The product of its digits is 1481760, while the sum is 50.

The square root of 725779832 is about 26940.3012603794. The cubic root of 725779832 is about 898.6728719801.

The spelling of 725779832 in words is "seven hundred twenty-five million, seven hundred seventy-nine thousand, eight hundred thirty-two".