42864755 has 16 divisors (see below), whose sum is σ = 55529280. Its totient is φ = 31667328.

The previous prime is 42864749. The next prime is 42864763. The reversal of 42864755 is 55746824.

It is a cyclic number.

It is not a de Polignac number, because 42864755 - 2¹⁴ = 42848371 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3092 + ... + 9761.

It is an arithmetic number, because the mean of its divisors is an integer number (3470580).

Almost surely, 2^42864755 is an apocalyptic number.

42864755 is a deficient number, since it is larger than the sum of its proper divisors (12664525).

42864755 is a wasteful number, since it uses less digits than its factorization.

42864755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12910.

The product of its digits is 268800, while the sum is 41.

The square root of 42864755 is about 6547.1180682801. The cubic root of 42864755 is about 349.9721202282.

The spelling of 42864755 in words is "forty-two million, eight hundred sixty-four thousand, seven hundred fifty-five".