32947945 has 16 divisors (see below), whose sum is σ = 40807440. Its totient is φ = 25519104.

The previous prime is 32947913. The next prime is 32947951. The reversal of 32947945 is 54974923.

It can be written as a sum of positive squares in 8 ways, for example, as 4528384 + 28419561 = 2128^2 + 5331^2 .

It is a cyclic number.

It is not a de Polignac number, because 32947945 - 2⁵ = 32947913 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57621 + ... + 58189.

It is an arithmetic number, because the mean of its divisors is an integer number (2550465).

Almost surely, 2^32947945 is an apocalyptic number.

It is an amenable number.

32947945 is a deficient number, since it is larger than the sum of its proper divisors (7859495).

32947945 is a wasteful number, since it uses less digits than its factorization.

32947945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924.

The product of its digits is 272160, while the sum is 43.

The square root of 32947945 is about 5740.0300521861. The cubic root of 32947945 is about 320.5846894947.

The spelling of 32947945 in words is "thirty-two million, nine hundred forty-seven thousand, nine hundred forty-five".