42872755 has 8 divisors (see below), whose sum is σ = 51483600. Its totient is φ = 34274016.

The previous prime is 42872729. The next prime is 42872773. The reversal of 42872755 is 55727824.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 42872755 - 2¹⁵ = 42839987 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, 9456 + ... + 13234.

It is an arithmetic number, because the mean of its divisors is an integer number (6435450).

Almost surely, 2^42872755 is an apocalyptic number.

42872755 is a deficient number, since it is larger than the sum of its proper divisors (8610845).

42872755 is a wasteful number, since it uses less digits than its factorization.

42872755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6053.

The product of its digits is 156800, while the sum is 40.

The square root of 42872755 is about 6547.7289956137. The cubic root of 42872755 is about 349.9938910498.

The spelling of 42872755 in words is "forty-two million, eight hundred seventy-two thousand, seven hundred fifty-five".