42056767 has 2 divisors, whose sum is σ = 42056768. Its totient is φ = 42056766.

The previous prime is 42056741. The next prime is 42056783. The reversal of 42056767 is 76765024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42056767 - 2¹⁵ = 42023999 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42056737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21028383 + 21028384.

It is an arithmetic number, because the mean of its divisors is an integer number (21028384).

Almost surely, 2^42056767 is an apocalyptic number.

42056767 is a deficient number, since it is larger than the sum of its proper divisors (1).

42056767 is an equidigital number, since it uses as much as digits as its factorization.

42056767 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 42056767 is about 6485.1188886558. The cubic root of 42056767 is about 347.7592000209.

The spelling of 42056767 in words is "forty-two million, fifty-six thousand, seven hundred sixty-seven".