42246679 has 2 divisors, whose sum is σ = 42246680. Its totient is φ = 42246678.

The previous prime is 42246661. The next prime is 42246713. The reversal of 42246679 is 97664224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42246679 - 2¹⁷ = 42115607 is a prime.

It is a zygodrome in base 3.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42246619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21123339 + 21123340.

It is an arithmetic number, because the mean of its divisors is an integer number (21123340).

Almost surely, 2^42246679 is an apocalyptic number.

42246679 is a deficient number, since it is larger than the sum of its proper divisors (1).

42246679 is an equidigital number, since it uses as much as digits as its factorization.

42246679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 40.

The square root of 42246679 is about 6499.7445334413. The cubic root of 42246679 is about 348.2818625189.

The spelling of 42246679 in words is "forty-two million, two hundred forty-six thousand, six hundred seventy-nine".