32212745 has 8 divisors (see below), whose sum is σ = 38745216. Its totient is φ = 25710256.

The previous prime is 32212721. The next prime is 32212753. The reversal of 32212745 is 54721223.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 32212745 - 2¹⁴ = 32196361 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5057 + ... + 9486.

It is an arithmetic number, because the mean of its divisors is an integer number (4843152).

Almost surely, 2^32212745 is an apocalyptic number.

It is an amenable number.

32212745 is a deficient number, since it is larger than the sum of its proper divisors (6532471).

32212745 is a wasteful number, since it uses less digits than its factorization.

32212745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14991.

The product of its digits is 3360, while the sum is 26.

The square root of 32212745 is about 5675.6272781077. The cubic root of 32212745 is about 318.1822228690.

Adding to 32212745 its reverse (54721223), we get a palindrome (86933968).

The spelling of 32212745 in words is "thirty-two million, two hundred twelve thousand, seven hundred forty-five".