42387315 has 8 divisors (see below), whose sum is σ = 67819728. Its totient is φ = 22606560.

The previous prime is 42387287. The next prime is 42387329. The reversal of 42387315 is 51378324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42387315 - 2¹⁰ = 42386291 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1412896 + ... + 1412925.

It is an arithmetic number, because the mean of its divisors is an integer number (8477466).

Almost surely, 2^42387315 is an apocalyptic number.

42387315 is a deficient number, since it is larger than the sum of its proper divisors (25432413).

42387315 is a wasteful number, since it uses less digits than its factorization.

42387315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2825829.

The product of its digits is 20160, while the sum is 33.

The square root of 42387315 is about 6510.5541238822. The cubic root of 42387315 is about 348.6679024646.

The spelling of 42387315 in words is "forty-two million, three hundred eighty-seven thousand, three hundred fifteen".