42392927 has 2 divisors, whose sum is σ = 42392928. Its totient is φ = 42392926.

The previous prime is 42392923. The next prime is 42392929. The reversal of 42392927 is 72929324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42392927 - 2² = 42392923 is a prime.

Together with 42392929, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42392923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21196463 + 21196464.

It is an arithmetic number, because the mean of its divisors is an integer number (21196464).

Almost surely, 2^42392927 is an apocalyptic number.

42392927 is a deficient number, since it is larger than the sum of its proper divisors (1).

42392927 is an equidigital number, since it uses as much as digits as its factorization.

42392927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 38.

The square root of 42392927 is about 6510.9851021178. The cubic root of 42392927 is about 348.6832894416.

The spelling of 42392927 in words is "forty-two million, three hundred ninety-two thousand, nine hundred twenty-seven".