32742161 has 4 divisors (see below), whose sum is σ = 32818212. Its totient is φ = 32666112.

The previous prime is 32742139. The next prime is 32742167. The reversal of 32742161 is 16124723.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16124723 = 3079 ⋅5237.

It can be written as a sum of positive squares in 2 ways, for example, as 5909761 + 26832400 = 2431^2 + 5180^2 .

It is a cyclic number.

It is not a de Polignac number, because 32742161 - 2⁶ = 32742097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32742161.

It is not an unprimeable number, because it can be changed into a prime (32742167) 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, 37376 + ... + 38241.

It is an arithmetic number, because the mean of its divisors is an integer number (8204553).

Almost surely, 2^32742161 is an apocalyptic number.

It is an amenable number.

32742161 is a deficient number, since it is larger than the sum of its proper divisors (76051).

32742161 is an equidigital number, since it uses as much as digits as its factorization.

32742161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76050.

The product of its digits is 2016, while the sum is 26.

The square root of 32742161 is about 5722.0766335309. The cubic root of 32742161 is about 319.9158665537.

Adding to 32742161 its reverse (16124723), we get a palindrome (48866884).

The spelling of 32742161 in words is "thirty-two million, seven hundred forty-two thousand, one hundred sixty-one".