42407327 has 2 divisors, whose sum is σ = 42407328. Its totient is φ = 42407326.

The previous prime is 42407303. The next prime is 42407329. The reversal of 42407327 is 72370424.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42407327 is a prime.

Together with 42407329, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42407327.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42407329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21203663 + 21203664.

It is an arithmetic number, because the mean of its divisors is an integer number (21203664).

Almost surely, 2^42407327 is an apocalyptic number.

42407327 is a deficient number, since it is larger than the sum of its proper divisors (1).

42407327 is an equidigital number, since it uses as much as digits as its factorization.

42407327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 42407327 is about 6512.0908316761. The cubic root of 42407327 is about 348.7227651381.

The spelling of 42407327 in words is "forty-two million, four hundred seven thousand, three hundred twenty-seven".