725206356 has 36 divisors (see below), whose sum is σ = 2095041312. Its totient is φ = 207201744.

The previous prime is 725206301. The next prime is 725206357. The reversal of 725206356 is 653602527.

It is a happy number.

725206356 is a `hidden beast` number, since 72 + 520 + 63 + 5 + 6 = 666.

725206356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 725206356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725206357) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1438650 + ... + 1439153.

It is an arithmetic number, because the mean of its divisors is an integer number (58195592).

Almost surely, 2^725206356 is an apocalyptic number.

It is an amenable number.

725206356 is an abundant number, since it is smaller than the sum of its proper divisors (1369834956).

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

725206356 is a wasteful number, since it uses less digits than its factorization.

725206356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2877820 (or 2877815 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 725206356 is about 26929.6556977619. The cubic root of 725206356 is about 898.4361137144.

The spelling of 725206356 in words is "seven hundred twenty-five million, two hundred six thousand, three hundred fifty-six".