9942727 has 2 divisors, whose sum is σ = 9942728. Its totient is φ = 9942726.

The previous prime is 9942721. The next prime is 9942731. The reversal of 9942727 is 7272499.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9942727 is a prime.

It is a Chen prime.

9942727 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 9942727.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9942721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4971363 + 4971364.

It is an arithmetic number, because the mean of its divisors is an integer number (4971364).

Almost surely, 2^9942727 is an apocalyptic number.

9942727 is a deficient number, since it is larger than the sum of its proper divisors (1).

9942727 is an equidigital number, since it uses as much as digits as its factorization.

9942727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 40.

The square root of 9942727 is about 3153.2090003677. The cubic root of 9942727 is about 215.0313781497.

It can be divided in two parts, 994 and 2727, that added together give a square (3721 = 61²).

The spelling of 9942727 in words is "nine million, nine hundred forty-two thousand, seven hundred twenty-seven".