42937236 has 24 divisors (see below), whose sum is σ = 111319040. Its totient is φ = 14312376.

The previous prime is 42937217. The next prime is 42937241. The reversal of 42937236 is 63273924.

It is a happy number.

42937236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 42937236.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198676 + ... + 198891.

Almost surely, 2^42937236 is an apocalyptic number.

It is an amenable number.

42937236 is an abundant number, since it is smaller than the sum of its proper divisors (68381804).

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

42937236 is a wasteful number, since it uses less digits than its factorization.

42937236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397580 (or 397572 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 42937236 is about 6552.6510665531. The cubic root of 42937236 is about 350.1692677850.

The spelling of 42937236 in words is "forty-two million, nine hundred thirty-seven thousand, two hundred thirty-six".