42137826 has 8 divisors (see below), whose sum is σ = 84275664. Its totient is φ = 14045940.

The previous prime is 42137789. The next prime is 42137831. The reversal of 42137826 is 62873124.

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

42137826 is an admirable number.

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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3511480 + ... + 3511491.

It is an arithmetic number, because the mean of its divisors is an integer number (10534458).

Almost surely, 2^42137826 is an apocalyptic number.

42137826 is the 4106-th centered pentagonal number.

42137826 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42137826 is a wasteful number, since it uses less digits than its factorization.

42137826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7022976.

The product of its digits is 16128, while the sum is 33.

The square root of 42137826 is about 6491.3654957952. The cubic root of 42137826 is about 347.9824769879.

The spelling of 42137826 in words is "forty-two million, one hundred thirty-seven thousand, eight hundred twenty-six".