42368515 has 16 divisors (see below), whose sum is σ = 59677632. Its totient is φ = 28266624.

The previous prime is 42368497. The next prime is 42368519. The reversal of 42368515 is 51586324.

It is a cyclic number.

It is not a de Polignac number, because 42368515 - 2⁷ = 42368387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42368519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15064 + ... + 17653.

It is an arithmetic number, because the mean of its divisors is an integer number (3729852).

Almost surely, 2^42368515 is an apocalyptic number.

42368515 is a deficient number, since it is larger than the sum of its proper divisors (17309117).

42368515 is a wasteful number, since it uses less digits than its factorization.

42368515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32766.

The product of its digits is 28800, while the sum is 34.

The square root of 42368515 is about 6509.1101542377. The cubic root of 42368515 is about 348.6163467424.

The spelling of 42368515 in words is "forty-two million, three hundred sixty-eight thousand, five hundred fifteen".