32678641 has 4 divisors (see below), whose sum is σ = 34600932. Its totient is φ = 30756352.

The previous prime is 32678629. The next prime is 32678663. The reversal of 32678641 is 14687623.

32678641 is nontrivially palindromic in base 16.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14687623 = 439 ⋅33457.

It can be written as a sum of positive squares in 2 ways, for example, as 21762225 + 10916416 = 4665^2 + 3304^2 .

It is a cyclic number.

It is not a de Polignac number, because 32678641 - 2¹⁷ = 32547569 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32678641.

It is not an unprimeable number, because it can be changed into a prime (32678671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 961120 + ... + 961153.

It is an arithmetic number, because the mean of its divisors is an integer number (8650233).

Almost surely, 2^32678641 is an apocalyptic number.

It is an amenable number.

32678641 is a deficient number, since it is larger than the sum of its proper divisors (1922291).

32678641 is a wasteful number, since it uses less digits than its factorization.

32678641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1922290.

The product of its digits is 48384, while the sum is 37.

The square root of 32678641 is about 5716.5235064679. The cubic root of 32678641 is about 319.7088530234.

The spelling of 32678641 in words is "thirty-two million, six hundred seventy-eight thousand, six hundred forty-one".