32790636681 has 32 divisors (see below), whose sum is σ = 48831624576. Its totient is φ = 19404480000.

The previous prime is 32790636673. The next prime is 32790636691. The reversal of 32790636681 is 18663609723.

It is not a de Polignac number, because 32790636681 - 2³ = 32790636673 is a prime.

It is a super-2 number, since 2×32790636681² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (32790636691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 216331 + ... + 335231.

It is an arithmetic number, because the mean of its divisors is an integer number (1525988268).

Almost surely, 2^32790636681 is an apocalyptic number.

It is an amenable number.

32790636681 is a deficient number, since it is larger than the sum of its proper divisors (16040987895).

32790636681 is a wasteful number, since it uses less digits than its factorization.

32790636681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119113.

The product of its (nonzero) digits is 1959552, while the sum is 51.

The spelling of 32790636681 in words is "thirty-two billion, seven hundred ninety million, six hundred thirty-six thousand, six hundred eighty-one".