42707069 has 4 divisors (see below), whose sum is σ = 43221696. Its totient is φ = 42192444.

The previous prime is 42707047. The next prime is 42707101. The reversal of 42707069 is 96070724.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42707069 is a prime.

It is a super-2 number, since 2×42707069² = 3647787485141522, 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 (42707569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257189 + ... + 257354.

It is an arithmetic number, because the mean of its divisors is an integer number (10805424).

Almost surely, 2^42707069 is an apocalyptic number.

It is an amenable number.

42707069 is a deficient number, since it is larger than the sum of its proper divisors (514627).

42707069 is an equidigital number, since it uses as much as digits as its factorization.

42707069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514626.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 42707069 is about 6535.0645750444. The cubic root of 42707069 is about 349.5424470022.

The spelling of 42707069 in words is "forty-two million, seven hundred seven thousand, sixty-nine".