42278314 has 8 divisors (see below), whose sum is σ = 68295780. Its totient is φ = 19513056.

The previous prime is 42278267. The next prime is 42278321. The reversal of 42278314 is 41387224.

It can be written as a sum of positive squares in 2 ways, for example, as 30063289 + 12215025 = 5483^2 + 3495^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 813019 + ... + 813070.

Almost surely, 2^42278314 is an apocalyptic number.

42278314 is a deficient number, since it is larger than the sum of its proper divisors (26017466).

42278314 is a wasteful number, since it uses less digits than its factorization.

42278314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626104.

The product of its digits is 10752, while the sum is 31.

The square root of 42278314 is about 6502.1776352234. The cubic root of 42278314 is about 348.3687738691.

The spelling of 42278314 in words is "forty-two million, two hundred seventy-eight thousand, three hundred fourteen".