42164277 has 8 divisors (see below), whose sum is σ = 57590400. Its totient is φ = 27423840.

The previous prime is 42164261. The next prime is 42164279. The reversal of 42164277 is 77246124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42164277 - 2⁴ = 42164261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42164279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171277 + ... + 171522.

It is an arithmetic number, because the mean of its divisors is an integer number (7198800).

Almost surely, 2^42164277 is an apocalyptic number.

It is an amenable number.

42164277 is a deficient number, since it is larger than the sum of its proper divisors (15426123).

42164277 is a wasteful number, since it uses less digits than its factorization.

42164277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342843.

The product of its digits is 18816, while the sum is 33.

The square root of 42164277 is about 6493.4025749217. The cubic root of 42164277 is about 348.0552742826.

The spelling of 42164277 in words is "forty-two million, one hundred sixty-four thousand, two hundred seventy-seven".