27046981 has 8 divisors (see below), whose sum is σ = 29169504. Its totient is φ = 24930480.

The previous prime is 27046979. The next prime is 27046991. The reversal of 27046981 is 18964072.

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

It is a cyclic number.

It is not a de Polignac number, because 27046981 - 2¹ = 27046979 is a prime.

It is a super-2 number, since 2×27046981² = 1463078362428722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27046981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27046991) 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, 13230 + ... + 15136.

It is an arithmetic number, because the mean of its divisors is an integer number (3646188).

Almost surely, 2^27046981 is an apocalyptic number.

It is an amenable number.

27046981 is a deficient number, since it is larger than the sum of its proper divisors (2122523).

27046981 is a wasteful number, since it uses less digits than its factorization.

27046981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3011.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 27046981 is about 5200.6712066809. The cubic root of 27046981 is about 300.1739028769.

The spelling of 27046981 in words is "twenty-seven million, forty-six thousand, nine hundred eighty-one".