725204132 has 12 divisors (see below), whose sum is σ = 1269371376. Its totient is φ = 362526600.

The previous prime is 725204113. The next prime is 725204149. The reversal of 725204132 is 231402527.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6563 + ... + 38645.

It is an arithmetic number, because the mean of its divisors is an integer number (105780948).

Almost surely, 2^725204132 is an apocalyptic number.

It is an amenable number.

725204132 is a deficient number, since it is larger than the sum of its proper divisors (544167244).

725204132 is a wasteful number, since it uses less digits than its factorization.

725204132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37738 (or 37736 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 725204132 is about 26929.6144049632. The cubic root of 725204132 is about 898.4351952981.

Adding to 725204132 its reverse (231402527), we get a palindrome (956606659).

The spelling of 725204132 in words is "seven hundred twenty-five million, two hundred four thousand, one hundred thirty-two".