32745213 has 12 divisors (see below), whose sum is σ = 50081148. Its totient is φ = 20545920.

The previous prime is 32745199. The next prime is 32745217. The reversal of 32745213 is 31254723.

It can be written as a sum of positive squares in 2 ways, for example, as 14953689 + 17791524 = 3867^2 + 4218^2 .

It is not a de Polignac number, because 32745213 - 2⁴ = 32745197 is a prime.

It is a super-3 number, since 3×32745213³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32745217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106858 + ... + 107163.

It is an arithmetic number, because the mean of its divisors is an integer number (4173429).

Almost surely, 2^32745213 is an apocalyptic number.

It is an amenable number.

32745213 is a deficient number, since it is larger than the sum of its proper divisors (17335935).

32745213 is a wasteful number, since it uses less digits than its factorization.

32745213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214044 (or 214041 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 32745213 is about 5722.3433137134. The cubic root of 32745213 is about 319.9258063669.

Adding to 32745213 its reverse (31254723), we get a palindrome (63999936).

The spelling of 32745213 in words is "thirty-two million, seven hundred forty-five thousand, two hundred thirteen".