42837738 has 16 divisors (see below), whose sum is σ = 87080736. Its totient is φ = 14045040.

The previous prime is 42837737. The next prime is 42837757. The reversal of 42837738 is 83773824.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42837738.

It is not an unprimeable number, because it can be changed into a prime (42837731) 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, 58156 + ... + 58887.

It is an arithmetic number, because the mean of its divisors is an integer number (5442546).

Almost surely, 2^42837738 is an apocalyptic number.

42837738 is an abundant number, since it is smaller than the sum of its proper divisors (44242998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42837738 is a wasteful number, since it uses less digits than its factorization.

42837738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117109.

The product of its digits is 225792, while the sum is 42.

The square root of 42837738 is about 6545.0544688337. The cubic root of 42837738 is about 349.8985774154.

It can be divided in two parts, 4283 and 7738, that added together give a palindrome (12021).

The spelling of 42837738 in words is "forty-two million, eight hundred thirty-seven thousand, seven hundred thirty-eight".