42344867 has 2 divisors, whose sum is σ = 42344868. Its totient is φ = 42344866.

The previous prime is 42344839. The next prime is 42344873. The reversal of 42344867 is 76844324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42344867 - 2⁶ = 42344803 is a prime.

It is a super-2 number, since 2×42344867² = 3586175522495378, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42344867.

It is not a weakly prime, because it can be changed into another prime (42344837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21172433 + 21172434.

It is an arithmetic number, because the mean of its divisors is an integer number (21172434).

Almost surely, 2^42344867 is an apocalyptic number.

42344867 is a deficient number, since it is larger than the sum of its proper divisors (1).

42344867 is an equidigital number, since it uses as much as digits as its factorization.

42344867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 38.

The square root of 42344867 is about 6507.2933697506. The cubic root of 42344867 is about 348.5514745635.

The spelling of 42344867 in words is "forty-two million, three hundred forty-four thousand, eight hundred sixty-seven".