42670115 has 4 divisors (see below), whose sum is σ = 51204144. Its totient is φ = 34136088.

The previous prime is 42670109. The next prime is 42670127. The reversal of 42670115 is 51107624.

42670115 is nontrivially palindromic in base 14.

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

It is a cyclic number.

It is not a de Polignac number, because 42670115 - 2⁸ = 42669859 is a prime.

It is a super-2 number, since 2×42670115² = 3641477428226450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4267007 + ... + 4267016.

It is an arithmetic number, because the mean of its divisors is an integer number (12801036).

Almost surely, 2^42670115 is an apocalyptic number.

42670115 is a deficient number, since it is larger than the sum of its proper divisors (8534029).

42670115 is an equidigital number, since it uses as much as digits as its factorization.

42670115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8534028.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 42670115 is about 6532.2366001240. The cubic root of 42670115 is about 349.4415993804.

Adding to 42670115 its reverse (51107624), we get a palindrome (93777739).

The spelling of 42670115 in words is "forty-two million, six hundred seventy thousand, one hundred fifteen".