42862069 has 4 divisors (see below), whose sum is σ = 43304044. Its totient is φ = 42420096.

The previous prime is 42862063. The next prime is 42862093. The reversal of 42862069 is 96026824.

42862069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29268100 + 13593969 = 5410^2 + 3687^2 .

It is a cyclic number.

It is not a de Polignac number, because 42862069 - 2⁵ = 42862037 is a prime.

It is a super-2 number, since 2×42862069² = 3674313917921522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42862063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220842 + ... + 221035.

It is an arithmetic number, because the mean of its divisors is an integer number (10826011).

Almost surely, 2^42862069 is an apocalyptic number.

It is an amenable number.

42862069 is a deficient number, since it is larger than the sum of its proper divisors (441975).

42862069 is an equidigital number, since it uses as much as digits as its factorization.

42862069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441974.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 42862069 is about 6546.9129366443. The cubic root of 42862069 is about 349.9648100675.

The spelling of 42862069 in words is "forty-two million, eight hundred sixty-two thousand, sixty-nine".