27640034 has 8 divisors (see below), whose sum is σ = 42797568. Its totient is φ = 13374180.

The previous prime is 27640033. The next prime is 27640051. The reversal of 27640034 is 43004672.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 27639985 and 27640012.

It is not an unprimeable number, because it can be changed into a prime (27640033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222842 + ... + 222965.

It is an arithmetic number, because the mean of its divisors is an integer number (5349696).

Almost surely, 2^27640034 is an apocalyptic number.

27640034 is a deficient number, since it is larger than the sum of its proper divisors (15157534).

27640034 is a wasteful number, since it uses less digits than its factorization.

27640034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445840.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 27640034 is about 5257.3790047894. The cubic root of 27640034 is about 302.3520082967.

The spelling of 27640034 in words is "twenty-seven million, six hundred forty thousand, thirty-four".