42830075 has 12 divisors (see below), whose sum is σ = 53751768. Its totient is φ = 33849600.

The previous prime is 42830063. The next prime is 42830077. The reversal of 42830075 is 57003824.

It is a happy number.

It is not a de Polignac number, because 42830075 - 2¹⁴ = 42813691 is a prime.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42830077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8246 + ... + 12395.

It is an arithmetic number, because the mean of its divisors is an integer number (4479314).

Almost surely, 2^42830075 is an apocalyptic number.

42830075 is a deficient number, since it is larger than the sum of its proper divisors (10921693).

42830075 is a wasteful number, since it uses less digits than its factorization.

42830075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20734 (or 20729 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 42830075 is about 6544.4690388144. The cubic root of 42830075 is about 349.8777123806.

Adding to 42830075 its reverse (57003824), we get a palindrome (99833899).

It can be divided in two parts, 428 and 30075, that added together give a palindrome (30503).

The spelling of 42830075 in words is "forty-two million, eight hundred thirty thousand, seventy-five".