32790641 has 4 divisors (see below), whose sum is σ = 35313012. Its totient is φ = 30268272.

The previous prime is 32790629. The next prime is 32790649. The reversal of 32790641 is 14609723.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14609723 = 43 ⋅339761.

It can be written as a sum of positive squares in 2 ways, for example, as 7075600 + 25715041 = 2660^2 + 5071^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32790641 is a prime.

It is a super-4 number, since 4×32790641⁴ (a number of 31 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32790598 and 32790607.

It is not an unprimeable number, because it can be changed into a prime (32790649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1261166 + ... + 1261191.

It is an arithmetic number, because the mean of its divisors is an integer number (8828253).

Almost surely, 2^32790641 is an apocalyptic number.

It is an amenable number.

32790641 is a deficient number, since it is larger than the sum of its proper divisors (2522371).

32790641 is a wasteful number, since it uses less digits than its factorization.

32790641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2522370.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 32790641 is about 5726.3112908748. The cubic root of 32790641 is about 320.0736842038.

The spelling of 32790641 in words is "thirty-two million, seven hundred ninety thousand, six hundred forty-one".