42897118 has 24 divisors (see below), whose sum is σ = 72568440. Its totient is φ = 18860400.

The previous prime is 42897109. The next prime is 42897133. The reversal of 42897118 is 81179824.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20128 + ... + 22156.

It is an arithmetic number, because the mean of its divisors is an integer number (3023685).

Almost surely, 2^42897118 is an apocalyptic number.

42897118 is a deficient number, since it is larger than the sum of its proper divisors (29671322).

42897118 is a wasteful number, since it uses less digits than its factorization.

42897118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2104 (or 2073 counting only the distinct ones).

The product of its digits is 32256, while the sum is 40.

The square root of 42897118 is about 6549.5891474199. The cubic root of 42897118 is about 350.0601746877.

The spelling of 42897118 in words is "forty-two million, eight hundred ninety-seven thousand, one hundred eighteen".