42028337 has 32 divisors (see below), whose sum is σ = 50561280. Its totient is φ = 34594560.

The previous prime is 42028333. The next prime is 42028339. The reversal of 42028337 is 73382024.

It is not a de Polignac number, because 42028337 - 2² = 42028333 is a prime.

It is a super-2 number, since 2×42028337² = 3532762221971138, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42028331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 320762 + ... + 320892.

It is an arithmetic number, because the mean of its divisors is an integer number (1580040).

Almost surely, 2^42028337 is an apocalyptic number.

It is an amenable number.

42028337 is a deficient number, since it is larger than the sum of its proper divisors (8532943).

42028337 is a wasteful number, since it uses less digits than its factorization.

42028337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 42028337 is about 6482.9265767861. The cubic root of 42028337 is about 347.6808216497.

42028337 divided by its sum of digits (29) gives a triangular number (1449253 = T₁₇₀₂).

The spelling of 42028337 in words is "forty-two million, twenty-eight thousand, three hundred thirty-seven".