27738031 has 2 divisors, whose sum is σ = 27738032. Its totient is φ = 27738030.

The previous prime is 27738001. The next prime is 27738041. The reversal of 27738031 is 13083772.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27738031 is a prime.

It is a super-2 number, since 2×27738031² = 1538796727513922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27737984 and 27738002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27738001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13869015 + 13869016.

It is an arithmetic number, because the mean of its divisors is an integer number (13869016).

Almost surely, 2^27738031 is an apocalyptic number.

27738031 is a deficient number, since it is larger than the sum of its proper divisors (1).

27738031 is an equidigital number, since it uses as much as digits as its factorization.

27738031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 27738031 is about 5266.6907066962. The cubic root of 27738031 is about 302.7089138103.

The spelling of 27738031 in words is "twenty-seven million, seven hundred thirty-eight thousand, thirty-one".