42214727 has 2 divisors, whose sum is σ = 42214728. Its totient is φ = 42214726.

The previous prime is 42214721. The next prime is 42214741. The reversal of 42214727 is 72741224.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42214727 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42214727.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42214721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21107363 + 21107364.

It is an arithmetic number, because the mean of its divisors is an integer number (21107364).

Almost surely, 2^42214727 is an apocalyptic number.

42214727 is a deficient number, since it is larger than the sum of its proper divisors (1).

42214727 is an equidigital number, since it uses as much as digits as its factorization.

42214727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6272, while the sum is 29.

The square root of 42214727 is about 6497.2861257605. The cubic root of 42214727 is about 348.1940362169.

The spelling of 42214727 in words is "forty-two million, two hundred fourteen thousand, seven hundred twenty-seven".