42242837 has 16 divisors (see below), whose sum is σ = 52711680. Its totient is φ = 32959872.

The previous prime is 42242831. The next prime is 42242869. The reversal of 42242837 is 73824224.

It is a cyclic number.

It is not a de Polignac number, because 42242837 - 2⁸ = 42242581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42242831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3464 + ... + 9822.

It is an arithmetic number, because the mean of its divisors is an integer number (3294480).

Almost surely, 2^42242837 is an apocalyptic number.

It is an amenable number.

42242837 is a deficient number, since it is larger than the sum of its proper divisors (10468843).

42242837 is a wasteful number, since it uses less digits than its factorization.

42242837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6452.

The product of its digits is 21504, while the sum is 32.

The square root of 42242837 is about 6499.4489766441. The cubic root of 42242837 is about 348.2713043756.

The spelling of 42242837 in words is "forty-two million, two hundred forty-two thousand, eight hundred thirty-seven".