42146637 has 8 divisors (see below), whose sum is σ = 60518304. Its totient is φ = 25936368.

The previous prime is 42146581. The next prime is 42146641. The reversal of 42146637 is 73664124.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42146637 - 2⁷ = 42146509 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 42146598 and 42146607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42146677) 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, 540303 + ... + 540380.

It is an arithmetic number, because the mean of its divisors is an integer number (7564788).

Almost surely, 2^42146637 is an apocalyptic number.

It is an amenable number.

42146637 is a deficient number, since it is larger than the sum of its proper divisors (18371667).

42146637 is a wasteful number, since it uses less digits than its factorization.

42146637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080699.

The product of its digits is 24192, while the sum is 33.

The square root of 42146637 is about 6492.0441310885. The cubic root of 42146637 is about 348.0067296228.

The spelling of 42146637 in words is "forty-two million, one hundred forty-six thousand, six hundred thirty-seven".