42837868 has 24 divisors (see below), whose sum is σ = 79898112. Its totient is φ = 20049744.

The previous prime is 42837757. The next prime is 42837869. The reversal of 42837868 is 86873824.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (42837869) 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, 630 + ... + 9277.

It is an arithmetic number, because the mean of its divisors is an integer number (3329088).

Almost surely, 2^42837868 is an apocalyptic number.

It is an amenable number.

42837868 is a deficient number, since it is larger than the sum of its proper divisors (37060244).

42837868 is a wasteful number, since it uses less digits than its factorization.

42837868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9981 (or 9979 counting only the distinct ones).

The product of its digits is 516096, while the sum is 46.

The square root of 42837868 is about 6545.0643999887. The cubic root of 42837868 is about 349.8989313617.

The spelling of 42837868 in words is "forty-two million, eight hundred thirty-seven thousand, eight hundred sixty-eight".