42037867 has 2 divisors, whose sum is σ = 42037868. Its totient is φ = 42037866.

The previous prime is 42037847. The next prime is 42037901. The reversal of 42037867 is 76873024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42037867 - 2⁷ = 42037739 is a prime.

It is a Chen prime.

It is equal to p_2549764 and since 42037867 and 2549764 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (42037837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21018933 + 21018934.

It is an arithmetic number, because the mean of its divisors is an integer number (21018934).

Almost surely, 2^42037867 is an apocalyptic number.

42037867 is a deficient number, since it is larger than the sum of its proper divisors (1).

42037867 is an equidigital number, since it uses as much as digits as its factorization.

42037867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 42037867 is about 6483.6615426779. The cubic root of 42037867 is about 347.7070987448.

The spelling of 42037867 in words is "forty-two million, thirty-seven thousand, eight hundred sixty-seven".