725412 has 24 divisors (see below), whose sum is σ = 1722112. Its totient is φ = 237600.

The previous prime is 725399. The next prime is 725423. The reversal of 725412 is 214527.

It is an alternating number because its digits alternate between odd and even.

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 725412.

It is an unprimeable number.

725412 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237 + ... + 1227.

2⁷²⁵⁴¹² is an apocalyptic number.

It is an amenable number.

725412 is an abundant number, since it is smaller than the sum of its proper divisors (996700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

725412 is a wasteful number, since it uses less digits than its factorization.

725412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059 (or 1057 counting only the distinct ones).

The product of its digits is 560, while the sum is 21.

The square root of 725412 is about 851.7112186651. The cubic root of 725412 is about 89.8521027723.

Adding to 725412 its reverse (214527), we get a palindrome (939939).

The spelling of 725412 in words is "seven hundred twenty-five thousand, four hundred twelve".