7942663 has 2 divisors, whose sum is σ = 7942664. Its totient is φ = 7942662.

The previous prime is 7942609. The next prime is 7942667. The reversal of 7942663 is 3662497.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7942663 - 2¹⁷ = 7811591 is a prime.

7942663 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7942667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3971331 + 3971332.

It is an arithmetic number, because the mean of its divisors is an integer number (3971332).

Almost surely, 2^7942663 is an apocalyptic number.

7942663 is a deficient number, since it is larger than the sum of its proper divisors (1).

7942663 is an equidigital number, since it uses as much as digits as its factorization.

7942663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 37.

The square root of 7942663 is about 2818.2730527754. The cubic root of 7942663 is about 199.5210455956.

The spelling of 7942663 in words is "seven million, nine hundred forty-two thousand, six hundred sixty-three".