42237936 has 200 divisors, whose sum is σ = 138636960. Its totient is φ = 12317184.

The previous prime is 42237919. The next prime is 42237941. The reversal of 42237936 is 63973224.

It is a happy number.

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 42237936.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 387450 + ... + 387558.

Almost surely, 2^42237936 is an apocalyptic number.

42237936 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42237936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69318480).

42237936 is an abundant number, since it is smaller than the sum of its proper divisors (96399024).

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

42237936 is a wasteful number, since it uses less digits than its factorization.

42237936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 150 counting only the distinct ones).

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

The square root of 42237936 is about 6499.0719337456. The cubic root of 42237936 is about 348.2578350808.

The spelling of 42237936 in words is "forty-two million, two hundred thirty-seven thousand, nine hundred thirty-six".