32540472 has 48 divisors (see below), whose sum is σ = 88497240. Its totient is φ = 10801728.

The previous prime is 32540471. The next prime is 32540477. The reversal of 32540472 is 27404523.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32540471) 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, 19578 + ... + 21174.

Almost surely, 2^32540472 is an apocalyptic number.

It is an amenable number.

32540472 is an abundant number, since it is smaller than the sum of its proper divisors (55956768).

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

32540472 is a wasteful number, since it uses less digits than its factorization.

32540472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892 (or 1885 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 32540472 is about 5704.4256503175. The cubic root of 32540472 is about 319.2576280523.

Adding to 32540472 its reverse (27404523), we get a palindrome (59944995).

The spelling of 32540472 in words is "thirty-two million, five hundred forty thousand, four hundred seventy-two".