42012767 has 4 divisors (see below), whose sum is σ = 42036456. Its totient is φ = 41989080.

The previous prime is 42012757. The next prime is 42012787. The reversal of 42012767 is 76721024.

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 42012767 - 2⁶ = 42012703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42012757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8948 + ... + 12809.

It is an arithmetic number, because the mean of its divisors is an integer number (10509114).

Almost surely, 2^42012767 is an apocalyptic number.

42012767 is a deficient number, since it is larger than the sum of its proper divisors (23689).

42012767 is a wasteful number, since it uses less digits than its factorization.

42012767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23688.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 42012767 is about 6481.7256189999. The cubic root of 42012767 is about 347.6378818984.

The spelling of 42012767 in words is "forty-two million, twelve thousand, seven hundred sixty-seven".