42672115 has 4 divisors (see below), whose sum is σ = 51206544. Its totient is φ = 34137688.

The previous prime is 42672101. The next prime is 42672173. The reversal of 42672115 is 51127624.

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 42672115 - 2¹⁵ = 42639347 is a prime.

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, 4267207 + ... + 4267216.

It is an arithmetic number, because the mean of its divisors is an integer number (12801636).

Almost surely, 2^42672115 is an apocalyptic number.

42672115 is a deficient number, since it is larger than the sum of its proper divisors (8534429).

42672115 is an equidigital number, since it uses as much as digits as its factorization.

42672115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8534428.

The product of its digits is 3360, while the sum is 28.

The square root of 42672115 is about 6532.3896852530. The cubic root of 42672115 is about 349.4470588789.

Adding to 42672115 its reverse (51127624), we get a palindrome (93799739).

The spelling of 42672115 in words is "forty-two million, six hundred seventy-two thousand, one hundred fifteen".