32664533 has 4 divisors (see below), whose sum is σ = 35634048. Its totient is φ = 29695020.

The previous prime is 32664529. The next prime is 32664557. The reversal of 32664533 is 33546623.

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.

It is a cyclic number.

It is not a de Polignac number, because 32664533 - 2² = 32664529 is a prime.

It is a super-2 number, since 2×32664533² = 2133943432216178, which contains 22 as substring.

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 32664533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32664433) 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, 1484741 + ... + 1484762.

It is an arithmetic number, because the mean of its divisors is an integer number (8908512).

Almost surely, 2^32664533 is an apocalyptic number.

It is an amenable number.

32664533 is a deficient number, since it is larger than the sum of its proper divisors (2969515).

32664533 is a wasteful number, since it uses less digits than its factorization.

32664533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2969514.

The product of its digits is 38880, while the sum is 32.

The square root of 32664533 is about 5715.2894064955. The cubic root of 32664533 is about 319.6628382402.

The spelling of 32664533 in words is "thirty-two million, six hundred sixty-four thousand, five hundred thirty-three".