725850556 has 6 divisors (see below), whose sum is σ = 1270238480. Its totient is φ = 362925276.

The previous prime is 725850553. The next prime is 725850661. The reversal of 725850556 is 655058527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725850551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90731316 + ... + 90731323.

Almost surely, 2^725850556 is an apocalyptic number.

It is an amenable number.

725850556 is a deficient number, since it is larger than the sum of its proper divisors (544387924).

725850556 is a wasteful number, since it uses less digits than its factorization.

725850556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181462643 (or 181462641 counting only the distinct ones).

The product of its (nonzero) digits is 420000, while the sum is 43.

The square root of 725850556 is about 26941.6138343641. The cubic root of 725850556 is about 898.7020615833.

The spelling of 725850556 in words is "seven hundred twenty-five million, eight hundred fifty thousand, five hundred fifty-six".