42547268 has 12 divisors (see below), whose sum is σ = 75002172. Its totient is φ = 21118080.

The previous prime is 42547259. The next prime is 42547273. The reversal of 42547268 is 86274524.

It can be written as a sum of positive squares in 2 ways, for example, as 12054784 + 30492484 = 3472^2 + 5522^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

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, 38273 + ... + 39368.

It is an arithmetic number, because the mean of its divisors is an integer number (6250181).

Almost surely, 2^42547268 is an apocalyptic number.

It is an amenable number.

42547268 is a deficient number, since it is larger than the sum of its proper divisors (32454904).

42547268 is a wasteful number, since it uses less digits than its factorization.

42547268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77782 (or 77780 counting only the distinct ones).

The product of its digits is 107520, while the sum is 38.

The square root of 42547268 is about 6522.8266878708. The cubic root of 42547268 is about 349.1059303021.

The spelling of 42547268 in words is "forty-two million, five hundred forty-seven thousand, two hundred sixty-eight".