27021007 has 8 divisors (see below), whose sum is σ = 30811536. Its totient is φ = 23475072.

The previous prime is 27020993. The next prime is 27021017. The reversal of 27021007 is 70012072.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27021007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27021017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60913 + ... + 61354.

It is an arithmetic number, because the mean of its divisors is an integer number (3851442).

Almost surely, 2^27021007 is an apocalyptic number.

27021007 is a deficient number, since it is larger than the sum of its proper divisors (3790529).

27021007 is a wasteful number, since it uses less digits than its factorization.

27021007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122297.

The product of its (nonzero) digits is 196, while the sum is 19.

The square root of 27021007 is about 5198.1734291961. The cubic root of 27021007 is about 300.0777835344.

Adding to 27021007 its reverse (70012072), we get a palindrome (97033079).

The spelling of 27021007 in words is "twenty-seven million, twenty-one thousand, seven".