32640671 has 8 divisors (see below), whose sum is σ = 37653120. Its totient is φ = 27715608.

The previous prime is 32640649. The next prime is 32640677. The reversal of 32640671 is 17604623.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 32640671 - 2²² = 28446367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32640677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21041 + ... + 22538.

It is an arithmetic number, because the mean of its divisors is an integer number (4706640).

Almost surely, 2^32640671 is an apocalyptic number.

32640671 is a deficient number, since it is larger than the sum of its proper divisors (5012449).

32640671 is a wasteful number, since it uses less digits than its factorization.

32640671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43693.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 32640671 is about 5713.2014667785. The cubic root of 32640671 is about 319.5849795547.

The spelling of 32640671 in words is "thirty-two million, six hundred forty thousand, six hundred seventy-one".