42271637 has 8 divisors (see below), whose sum is σ = 44570400. Its totient is φ = 39980304.

The previous prime is 42271609. The next prime is 42271643. The reversal of 42271637 is 73617224.

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

It is a cyclic number.

It is not a de Polignac number, because 42271637 - 2²⁴ = 25494421 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 (42271667) 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, 12914 + ... + 15852.

It is an arithmetic number, because the mean of its divisors is an integer number (5571300).

Almost surely, 2^42271637 is an apocalyptic number.

It is an amenable number.

42271637 is a deficient number, since it is larger than the sum of its proper divisors (2298763).

42271637 is a wasteful number, since it uses less digits than its factorization.

42271637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3715.

The product of its digits is 14112, while the sum is 32.

The square root of 42271637 is about 6501.6641715795. The cubic root of 42271637 is about 348.3504336489.

The spelling of 42271637 in words is "forty-two million, two hundred seventy-one thousand, six hundred thirty-seven".