32042091 has 4 divisors (see below), whose sum is σ = 42722792. Its totient is φ = 21361392.

The previous prime is 32042089. The next prime is 32042099. The reversal of 32042091 is 19024023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19024023 = 3 ⋅6341341.

It is not a de Polignac number, because 32042091 - 2¹ = 32042089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32042099) 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, 5340346 + ... + 5340351.

It is an arithmetic number, because the mean of its divisors is an integer number (10680698).

Almost surely, 2^32042091 is an apocalyptic number.

32042091 is a deficient number, since it is larger than the sum of its proper divisors (10680701).

32042091 is a wasteful number, since it uses less digits than its factorization.

32042091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10680700.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 32042091 is about 5660.5733808511. The cubic root of 32042091 is about 317.6193479437.

The spelling of 32042091 in words is "thirty-two million, forty-two thousand, ninety-one".