42017136 has 80 divisors (see below), whose sum is σ = 129467904. Its totient is φ = 11480832.

The previous prime is 42017119. The next prime is 42017137. The reversal of 42017136 is 63171024.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42017137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5010 + ... + 10446.

Almost surely, 2^42017136 is an apocalyptic number.

42017136 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 42017136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64733952).

42017136 is an abundant number, since it is smaller than the sum of its proper divisors (87450768).

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

42017136 is a wasteful number, since it uses less digits than its factorization.

42017136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5478 (or 5472 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 42017136 is about 6482.0626346866. The cubic root of 42017136 is about 347.6499320232.

The spelling of 42017136 in words is "forty-two million, seventeen thousand, one hundred thirty-six".