32971945 has 4 divisors (see below), whose sum is σ = 39566340. Its totient is φ = 26377552.

The previous prime is 32971889. The next prime is 32971997. The reversal of 32971945 is 54917923.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25644096 + 7327849 = 5064^2 + 2707^2 .

It is a cyclic number.

It is not a de Polignac number, because 32971945 - 2¹⁵ = 32939177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32971898 and 32971907.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3297190 + ... + 3297199.

It is an arithmetic number, because the mean of its divisors is an integer number (9891585).

Almost surely, 2^32971945 is an apocalyptic number.

It is an amenable number.

32971945 is a deficient number, since it is larger than the sum of its proper divisors (6594395).

32971945 is an equidigital number, since it uses as much as digits as its factorization.

32971945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6594394.

The product of its digits is 68040, while the sum is 40.

The square root of 32971945 is about 5742.1202530076. The cubic root of 32971945 is about 320.6625108898.

The spelling of 32971945 in words is "thirty-two million, nine hundred seventy-one thousand, nine hundred forty-five".