42008715 has 48 divisors (see below), whose sum is σ = 87609600. Its totient is φ = 18190656.

The previous prime is 42008693. The next prime is 42008749. The reversal of 42008715 is 51780024.

It is not a de Polignac number, because 42008715 - 2¹⁴ = 41992331 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2476 + ... + 9494.

It is an arithmetic number, because the mean of its divisors is an integer number (1825200).

Almost surely, 2^42008715 is an apocalyptic number.

42008715 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42008715 is an abundant number, since it is smaller than the sum of its proper divisors (45600885).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42008715 is a wasteful number, since it uses less digits than its factorization.

42008715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7056 (or 7053 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 42008715 is about 6481.4130403794. The cubic root of 42008715 is about 347.6267053435.

Adding to 42008715 its reverse (51780024), we get a palindrome (93788739).

The spelling of 42008715 in words is "forty-two million, eight thousand, seven hundred fifteen".