42305769 has 24 divisors (see below), whose sum is σ = 67339584. Its totient is φ = 25380000.

The previous prime is 42305749. The next prime is 42305803. The reversal of 42305769 is 96750324.

It is not a de Polignac number, because 42305769 - 2¹² = 42301673 is a prime.

It is a super-2 number, since 2×42305769² = 3579556181362722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42305729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7884 + ... + 12114.

It is an arithmetic number, because the mean of its divisors is an integer number (2805816).

Almost surely, 2^42305769 is an apocalyptic number.

It is an amenable number.

42305769 is a deficient number, since it is larger than the sum of its proper divisors (25033815).

42305769 is a wasteful number, since it uses less digits than its factorization.

42305769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4349 (or 4346 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 42305769 is about 6504.2885083612. The cubic root of 42305769 is about 348.4441663039. Note that the first 3 decimals are identical.

It can be divided in two parts, 4230 and 5769, that added together give a palindrome (9999).

The spelling of 42305769 in words is "forty-two million, three hundred five thousand, seven hundred sixty-nine".