725037 has 4 divisors (see below), whose sum is σ = 966720. Its totient is φ = 483356.

The previous prime is 725009. The next prime is 725041. The reversal of 725037 is 730527.

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 725037 - 2⁸ = 724781 is a prime.

It is a D-number.

725037 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 724998 and 725016.

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 725037.

It is not an unprimeable number, because it can be changed into a prime (725057) 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, 120837 + ... + 120842.

It is an arithmetic number, because the mean of its divisors is an integer number (241680).

2⁷²⁵⁰³⁷ is an apocalyptic number.

It is an amenable number.

725037 is a deficient number, since it is larger than the sum of its proper divisors (241683).

725037 is a wasteful number, since it uses less digits than its factorization.

725037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241682.

The product of its (nonzero) digits is 1470, while the sum is 24.

The square root of 725037 is about 851.4910451672. The cubic root of 725037 is about 89.8366171603.

The spelling of 725037 in words is "seven hundred twenty-five thousand, thirty-seven".