7974227 has 2 divisors, whose sum is σ = 7974228. Its totient is φ = 7974226.

The previous prime is 7974209. The next prime is 7974229. The reversal of 7974227 is 7224797.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7974227 - 2⁸ = 7973971 is a prime.

It is a super-3 number, since 3×7974227³ (a number of 22 digits) contains 333 as substring.

Together with 7974229, 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 (7974229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3987113 + 3987114.

It is an arithmetic number, because the mean of its divisors is an integer number (3987114).

Almost surely, 2^7974227 is an apocalyptic number.

7974227 is a deficient number, since it is larger than the sum of its proper divisors (1).

7974227 is an equidigital number, since it uses as much as digits as its factorization.

7974227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 49392, while the sum is 38.

The square root of 7974227 is about 2823.8673835717. The cubic root of 7974227 is about 199.7849939448.

The spelling of 7974227 in words is "seven million, nine hundred seventy-four thousand, two hundred twenty-seven".