27272939 has 2 divisors, whose sum is σ = 27272940. Its totient is φ = 27272938.

The previous prime is 27272911. The next prime is 27272957. The reversal of 27272939 is 93927272.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27272939 - 2⁸ = 27272683 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 27272896 and 27272905.

It is not a weakly prime, because it can be changed into another prime (27272989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13636469 + 13636470.

It is an arithmetic number, because the mean of its divisors is an integer number (13636470).

Almost surely, 2^27272939 is an apocalyptic number.

27272939 is a deficient number, since it is larger than the sum of its proper divisors (1).

27272939 is an equidigital number, since it uses as much as digits as its factorization.

27272939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 95256, while the sum is 41.

The square root of 27272939 is about 5222.3499499746. The cubic root of 27272939 is about 301.0074978909.

The spelling of 27272939 in words is "twenty-seven million, two hundred seventy-two thousand, nine hundred thirty-nine".