42026769 has 20 divisors (see below), whose sum is σ = 63103920. Its totient is φ = 27873720.

The previous prime is 42026759. The next prime is 42026797. The reversal of 42026769 is 96762024.

It is a happy number.

It is not a de Polignac number, because 42026769 - 2⁸ = 42026513 is a prime.

It is a super-2 number, since 2×42026769² = 3532498625158722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42026759) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15862 + ... + 18320.

It is an arithmetic number, because the mean of its divisors is an integer number (3155196).

Almost surely, 2^42026769 is an apocalyptic number.

It is an amenable number.

42026769 is a deficient number, since it is larger than the sum of its proper divisors (21077151).

42026769 is a wasteful number, since it uses less digits than its factorization.

42026769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2682 (or 2673 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 42026769 is about 6482.8056426211. The cubic root of 42026769 is about 347.6764978185.

The spelling of 42026769 in words is "forty-two million, twenty-six thousand, seven hundred sixty-nine".