42636715 has 16 divisors (see below), whose sum is σ = 56150496. Its totient is φ = 30822400.

The previous prime is 42636689. The next prime is 42636719. The reversal of 42636715 is 51763624.

It is a happy number.

42636715 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42636715 - 2⁵ = 42636683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42636719) 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 15 ways as a sum of consecutive naturals, for example, 7275 + ... + 11755.

It is an arithmetic number, because the mean of its divisors is an integer number (3509406).

Almost surely, 2^42636715 is an apocalyptic number.

42636715 is a deficient number, since it is larger than the sum of its proper divisors (13513781).

42636715 is a wasteful number, since it uses less digits than its factorization.

42636715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4670.

The product of its digits is 30240, while the sum is 34.

The square root of 42636715 is about 6529.6795480330. The cubic root of 42636715 is about 349.3504005325.

The spelling of 42636715 in words is "forty-two million, six hundred thirty-six thousand, seven hundred fifteen".