32240725 has 12 divisors (see below), whose sum is σ = 43613280. Its totient is φ = 23447600.

The previous prime is 32240723. The next prime is 32240737. The reversal of 32240725 is 52704223.

It is not a de Polignac number, because 32240725 - 2¹ = 32240723 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 32240725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32240723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58345 + ... + 58894.

It is an arithmetic number, because the mean of its divisors is an integer number (3634440).

Almost surely, 2^32240725 is an apocalyptic number.

It is an amenable number.

32240725 is a deficient number, since it is larger than the sum of its proper divisors (11372555).

32240725 is a wasteful number, since it uses less digits than its factorization.

32240725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117260 (or 117255 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 32240725 is about 5678.0916688620. The cubic root of 32240725 is about 318.2743206003.

Adding to 32240725 its reverse (52704223), we get a palindrome (84944948).

The spelling of 32240725 in words is "thirty-two million, two hundred forty thousand, seven hundred twenty-five".