725227737 has 16 divisors (see below), whose sum is σ = 1077263040. Its totient is φ = 430903872.

The previous prime is 725227729. The next prime is 725227793. The reversal of 725227737 is 737722527.

725227737 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 725227737 - 2³ = 725227729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (725227337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319483 + ... + 321744.

It is an arithmetic number, because the mean of its divisors is an integer number (67328940).

Almost surely, 2^725227737 is an apocalyptic number.

It is an amenable number.

725227737 is a deficient number, since it is larger than the sum of its proper divisors (352035303).

725227737 is a wasteful number, since it uses less digits than its factorization.

725227737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641272.

The product of its digits is 288120, while the sum is 42.

The square root of 725227737 is about 26930.0526735467. The cubic root of 725227737 is about 898.4449430513. Note that the first 3 decimals are identical.

The spelling of 725227737 in words is "seven hundred twenty-five million, two hundred twenty-seven thousand, seven hundred thirty-seven".