32648971 has 4 divisors (see below), whose sum is σ = 32726944. Its totient is φ = 32571000.

The previous prime is 32648947. The next prime is 32648989. The reversal of 32648971 is 17984623.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17984623 = 17 ⋅1057919.

It is a cyclic number.

It is not a de Polignac number, because 32648971 - 2¹¹ = 32646923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32648071) 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, 38355 + ... + 39196.

It is an arithmetic number, because the mean of its divisors is an integer number (8181736).

Almost surely, 2^32648971 is an apocalyptic number.

32648971 is a deficient number, since it is larger than the sum of its proper divisors (77973).

32648971 is an equidigital number, since it uses as much as digits as its factorization.

32648971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77972.

The product of its digits is 72576, while the sum is 40.

The square root of 32648971 is about 5713.9278084344. The cubic root of 32648971 is about 319.6120657067.

The spelling of 32648971 in words is "thirty-two million, six hundred forty-eight thousand, nine hundred seventy-one".