7663427 has 2 divisors, whose sum is σ = 7663428. Its totient is φ = 7663426.

The previous prime is 7663421. The next prime is 7663459. The reversal of 7663427 is 7243667.

7663427 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (7243667) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7663427 - 2⁸ = 7663171 is a prime.

It is a super-2 number, since 2×7663427² = 117456226768658, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7663421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3831713 + 3831714.

It is an arithmetic number, because the mean of its divisors is an integer number (3831714).

Almost surely, 2^7663427 is an apocalyptic number.

7663427 is a deficient number, since it is larger than the sum of its proper divisors (1).

7663427 is an equidigital number, since it uses as much as digits as its factorization.

7663427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 35.

The square root of 7663427 is about 2768.2895441048. The cubic root of 7663427 is about 197.1549452235.

The spelling of 7663427 in words is "seven million, six hundred sixty-three thousand, four hundred twenty-seven".