32542172 has 12 divisors (see below), whose sum is σ = 61329576. Its totient is φ = 15019440.

The previous prime is 32542141. The next prime is 32542177. The reversal of 32542172 is 27124523.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32542177) 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, 312854 + ... + 312957.

It is an arithmetic number, because the mean of its divisors is an integer number (5110798).

Almost surely, 2^32542172 is an apocalyptic number.

It is an amenable number.

32542172 is a deficient number, since it is larger than the sum of its proper divisors (28787404).

32542172 is a wasteful number, since it uses less digits than its factorization.

32542172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625828 (or 625826 counting only the distinct ones).

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

The square root of 32542172 is about 5704.5746554848. The cubic root of 32542172 is about 319.2631875754.

Adding to 32542172 its reverse (27124523), we get a palindrome (59666695).

The spelling of 32542172 in words is "thirty-two million, five hundred forty-two thousand, one hundred seventy-two".