42246079 has 2 divisors, whose sum is σ = 42246080. Its totient is φ = 42246078.

The previous prime is 42246077. The next prime is 42246103. The reversal of 42246079 is 97064224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42246079 - 2¹ = 42246077 is a prime.

Together with 42246077, 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 (42246073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21123039 + 21123040.

It is an arithmetic number, because the mean of its divisors is an integer number (21123040).

Almost surely, 2^42246079 is an apocalyptic number.

42246079 is a deficient number, since it is larger than the sum of its proper divisors (1).

42246079 is an equidigital number, since it uses as much as digits as its factorization.

42246079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 42246079 is about 6499.6983776172. The cubic root of 42246079 is about 348.2802137100.

The spelling of 42246079 in words is "forty-two million, two hundred forty-six thousand, seventy-nine".