42028767 has 16 divisors (see below), whose sum is σ = 67925760. Its totient is φ = 25471800.

The previous prime is 42028757. The next prime is 42028771. The reversal of 42028767 is 76782024.

It is not a de Polignac number, because 42028767 - 2¹⁰ = 42027743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42028717) 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, 70459 + ... + 71052.

It is an arithmetic number, because the mean of its divisors is an integer number (4245360).

Almost surely, 2^42028767 is an apocalyptic number.

42028767 is a deficient number, since it is larger than the sum of its proper divisors (25896993).

42028767 is a wasteful number, since it uses less digits than its factorization.

42028767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141531 (or 141525 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 42028767 is about 6482.9597407357. The cubic root of 42028767 is about 347.6820073755.

The spelling of 42028767 in words is "forty-two million, twenty-eight thousand, seven hundred sixty-seven".