32640706 has 16 divisors (see below), whose sum is σ = 57761280. Its totient is φ = 13537440.

The previous prime is 32640677. The next prime is 32640721. The reversal of 32640706 is 60704623.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37171 + ... + 38038.

It is an arithmetic number, because the mean of its divisors is an integer number (3610080).

Almost surely, 2^32640706 is an apocalyptic number.

32640706 is a deficient number, since it is larger than the sum of its proper divisors (25120574).

32640706 is a wasteful number, since it uses less digits than its factorization.

32640706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75249.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 32640706 is about 5713.2045298589. The cubic root of 32640706 is about 319.5850937830.

The spelling of 32640706 in words is "thirty-two million, six hundred forty thousand, seven hundred six".