7042663 has 4 divisors (see below), whose sum is σ = 7050888. Its totient is φ = 7034440.

The previous prime is 7042649. The next prime is 7042681. The reversal of 7042663 is 3662407.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7042663 - 2⁵ = 7042631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7042603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2656 + ... + 4597.

It is an arithmetic number, because the mean of its divisors is an integer number (1762722).

Almost surely, 2^7042663 is an apocalyptic number.

7042663 is a deficient number, since it is larger than the sum of its proper divisors (8225).

7042663 is an equidigital number, since it uses as much as digits as its factorization.

7042663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8224.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 7042663 is about 2653.8016127812. The cubic root of 7042663 is about 191.6809570525.

The spelling of 7042663 in words is "seven million, forty-two thousand, six hundred sixty-three".