42745167 has 6 divisors (see below), whose sum is σ = 61743032. Its totient is φ = 28496772.

The previous prime is 42745163. The next prime is 42745177. The reversal of 42745167 is 76154724.

It is not a de Polignac number, because 42745167 - 2² = 42745163 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 (42745163) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2374723 + ... + 2374740.

Almost surely, 2^42745167 is an apocalyptic number.

42745167 is a deficient number, since it is larger than the sum of its proper divisors (18997865).

42745167 is a wasteful number, since it uses less digits than its factorization.

42745167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4749469 (or 4749466 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 42745167 is about 6537.9788161174. The cubic root of 42745167 is about 349.6463557190.

The spelling of 42745167 in words is "forty-two million, seven hundred forty-five thousand, one hundred sixty-seven".