42587715 has 32 divisors (see below), whose sum is σ = 69995520. Its totient is φ = 22104576.

The previous prime is 42587711. The next prime is 42587723. The reversal of 42587715 is 51778524.

It is not a de Polignac number, because 42587715 - 2² = 42587711 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42587711) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98139 + ... + 98571.

It is an arithmetic number, because the mean of its divisors is an integer number (2187360).

Almost surely, 2^42587715 is an apocalyptic number.

42587715 is a deficient number, since it is larger than the sum of its proper divisors (27407805).

42587715 is a wasteful number, since it uses less digits than its factorization.

42587715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603.

The product of its digits is 78400, while the sum is 39.

The square root of 42587715 is about 6525.9263710220. The cubic root of 42587715 is about 349.2165195845.

The spelling of 42587715 in words is "forty-two million, five hundred eighty-seven thousand, seven hundred fifteen".