27706973 has 8 divisors (see below), whose sum is σ = 33042048. Its totient is φ = 22716144.

The previous prime is 27706967. The next prime is 27706999. The reversal of 27706973 is 37960772.

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 27706973 - 2⁸ = 27706717 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27706973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27706933) 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, 85886 + ... + 86207.

It is an arithmetic number, because the mean of its divisors is an integer number (4130256).

Almost surely, 2^27706973 is an apocalyptic number.

27706973 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

27706973 is a deficient number, since it is larger than the sum of its proper divisors (5335075).

27706973 is a wasteful number, since it uses less digits than its factorization.

27706973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172123.

The product of its (nonzero) digits is 111132, while the sum is 41.

The square root of 27706973 is about 5263.7413500285. The cubic root of 27706973 is about 302.5958915538.

The spelling of 27706973 in words is "twenty-seven million, seven hundred six thousand, nine hundred seventy-three".