32742970 has 32 divisors (see below), whose sum is σ = 64527120. Its totient is φ = 11888640.

The previous prime is 32742959. The next prime is 32742971. The reversal of 32742970 is 7924723.

It can be written as a sum of positive squares in 8 ways, for example, as 1907161 + 30835809 = 1381^2 + 5553^2 .

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (32742971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5866 + ... + 9994.

Almost surely, 2^32742970 is an apocalyptic number.

32742970 is a deficient number, since it is larger than the sum of its proper divisors (31784150).

32742970 is a wasteful number, since it uses less digits than its factorization.

32742970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4210.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 32742970 is about 5722.1473242132. The cubic root of 32742970 is about 319.9185013809.

The spelling of 32742970 in words is "thirty-two million, seven hundred forty-two thousand, nine hundred seventy".