32664197 has 4 divisors (see below), whose sum is σ = 32740416. Its totient is φ = 32587980.

The previous prime is 32664131. The next prime is 32664217. The reversal of 32664197 is 79146623.

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 32664197 - 2¹⁰ = 32663173 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 32664197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32664397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37463 + ... + 38324.

It is an arithmetic number, because the mean of its divisors is an integer number (8185104).

Almost surely, 2^32664197 is an apocalyptic number.

It is an amenable number.

32664197 is a deficient number, since it is larger than the sum of its proper divisors (76219).

32664197 is an equidigital number, since it uses as much as digits as its factorization.

32664197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76218.

The product of its digits is 54432, while the sum is 38.

The square root of 32664197 is about 5715.2600115830. The cubic root of 32664197 is about 319.6617421780.

The spelling of 32664197 in words is "thirty-two million, six hundred sixty-four thousand, one hundred ninety-seven".