725763571 has 10 divisors (see below), whose sum is σ = 786272692. Its totient is φ = 669909240.

The previous prime is 725763527. The next prime is 725763593. The reversal of 725763571 is 175367527.

725763571 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 725763571 - 2⁷ = 725763443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (725763271) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 15856 + ... + 41266.

Almost surely, 2^725763571 is an apocalyptic number.

725763571 is a deficient number, since it is larger than the sum of its proper divisors (60509121).

725763571 is an frugal number, since it uses more digits than its factorization.

725763571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25463 (or 25424 counting only the distinct ones).

The product of its digits is 308700, while the sum is 43.

The square root of 725763571 is about 26939.9994617669. Note that the first 3 decimals coincide. The cubic root of 725763571 is about 898.6661603815. Note that the first 3 decimals are identical.

The spelling of 725763571 in words is "seven hundred twenty-five million, seven hundred sixty-three thousand, five hundred seventy-one".