32064861 has 4 divisors (see below), whose sum is σ = 42753152. Its totient is φ = 21376572.

The previous prime is 32064853. The next prime is 32064863. The reversal of 32064861 is 16846023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16846023 = 3 ⋅5615341.

It is not a de Polignac number, because 32064861 - 2³ = 32064853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32064863) 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, 5344141 + ... + 5344146.

It is an arithmetic number, because the mean of its divisors is an integer number (10688288).

Almost surely, 2^32064861 is an apocalyptic number.

It is an amenable number.

32064861 is a deficient number, since it is larger than the sum of its proper divisors (10688291).

32064861 is a wasteful number, since it uses less digits than its factorization.

32064861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10688290.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 32064861 is about 5662.5843040082. The cubic root of 32064861 is about 317.6945665065.

The spelling of 32064861 in words is "thirty-two million, sixty-four thousand, eight hundred sixty-one".