42392071 has 2 divisors, whose sum is σ = 42392072. Its totient is φ = 42392070.

The previous prime is 42392069. The next prime is 42392083. The reversal of 42392071 is 17029324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42392071 - 2¹ = 42392069 is a prime.

Together with 42392069, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42390071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21196035 + 21196036.

It is an arithmetic number, because the mean of its divisors is an integer number (21196036).

Almost surely, 2^42392071 is an apocalyptic number.

42392071 is a deficient number, since it is larger than the sum of its proper divisors (1).

42392071 is an equidigital number, since it uses as much as digits as its factorization.

42392071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 42392071 is about 6510.9193667254. The cubic root of 42392071 is about 348.6809425493.

The spelling of 42392071 in words is "forty-two million, three hundred ninety-two thousand, seventy-one".