42093767 has 4 divisors (see below), whose sum is σ = 42126816. Its totient is φ = 42060720.

The previous prime is 42093739. The next prime is 42093781. The reversal of 42093767 is 76739024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42093767 - 2¹⁸ = 41831623 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42093767.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42093067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14534 + ... + 17187.

It is an arithmetic number, because the mean of its divisors is an integer number (10531704).

Almost surely, 2^42093767 is an apocalyptic number.

42093767 is a deficient number, since it is larger than the sum of its proper divisors (33049).

42093767 is a wasteful number, since it uses less digits than its factorization.

42093767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33048.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 42093767 is about 6487.9709462975. The cubic root of 42093767 is about 347.8611520557.

The spelling of 42093767 in words is "forty-two million, ninety-three thousand, seven hundred sixty-seven".