725477 has 4 divisors (see below), whose sum is σ = 763680. Its totient is φ = 687276.

The previous prime is 725449. The next prime is 725479. The reversal of 725477 is 774527.

It is a happy number.

725477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 725477 - 2¹⁰ = 724453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 725477.

It is not an unprimeable number, because it can be changed into a prime (725479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19073 + ... + 19110.

It is an arithmetic number, because the mean of its divisors is an integer number (190920).

2⁷²⁵⁴⁷⁷ is an apocalyptic number.

It is an amenable number.

725477 is a deficient number, since it is larger than the sum of its proper divisors (38203).

725477 is a wasteful number, since it uses less digits than its factorization.

725477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38202.

The product of its digits is 13720, while the sum is 32.

The square root of 725477 is about 851.7493762839. The cubic root of 725477 is about 89.8547864023.

The spelling of 725477 in words is "seven hundred twenty-five thousand, four hundred seventy-seven".