42874823 has 8 divisors (see below), whose sum is σ = 44441760. Its totient is φ = 41329440.

The previous prime is 42874817. The next prime is 42874831. The reversal of 42874823 is 32847824.

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 42874823 - 2⁶ = 42874759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42874123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1283 + ... + 9348.

It is an arithmetic number, because the mean of its divisors is an integer number (5555220).

Almost surely, 2^42874823 is an apocalyptic number.

42874823 is a deficient number, since it is larger than the sum of its proper divisors (1566937).

42874823 is a wasteful number, since it uses less digits than its factorization.

42874823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10777.

The product of its digits is 86016, while the sum is 38.

The square root of 42874823 is about 6547.8869110576. The cubic root of 42874823 is about 349.9995183667. Note that the first 3 decimals are identical.

The spelling of 42874823 in words is "forty-two million, eight hundred seventy-four thousand, eight hundred twenty-three".