27640003672 has 16 divisors (see below), whose sum is σ = 51831014400. Its totient is φ = 13818399840.

The previous prime is 27640003663. The next prime is 27640003679. The reversal of 27640003672 is 27630004672.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27640003679) 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, 125272 + ... + 266407.

It is an arithmetic number, because the mean of its divisors is an integer number (3239438400).

Almost surely, 2^27640003672 is an apocalyptic number.

It is an amenable number.

27640003672 is a deficient number, since it is larger than the sum of its proper divisors (24191010728).

27640003672 is a wasteful number, since it uses less digits than its factorization.

27640003672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400506 (or 400502 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 37.

It can be divided in two parts, 2764000 and 3672, that added together give a palindrome (2767672).

The spelling of 27640003672 in words is "twenty-seven billion, six hundred forty million, three thousand, six hundred seventy-two".