7276427 has 2 divisors, whose sum is σ = 7276428. Its totient is φ = 7276426.

The previous prime is 7276403. The next prime is 7276429. The reversal of 7276427 is 7246727.

It is a strong prime.

It is an emirp because it is prime and its reverse (7246727) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7276427 - 2⁶ = 7276363 is a prime.

Together with 7276429, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7276429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3638213 + 3638214.

It is an arithmetic number, because the mean of its divisors is an integer number (3638214).

Almost surely, 2^7276427 is an apocalyptic number.

7276427 is a deficient number, since it is larger than the sum of its proper divisors (1).

7276427 is an equidigital number, since it uses as much as digits as its factorization.

7276427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32928, while the sum is 35.

The square root of 7276427 is about 2697.4853104327. The cubic root of 7276427 is about 193.7787093080.

The spelling of 7276427 in words is "seven million, two hundred seventy-six thousand, four hundred twenty-seven".