42820927 has 8 divisors (see below), whose sum is σ = 45154800. Its totient is φ = 40495104.

The previous prime is 42820903. The next prime is 42820937. The reversal of 42820927 is 72902824.

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 42820927 - 2¹⁵ = 42788159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42820892 and 42820901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42820937) 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, 11199 + ... + 14527.

It is an arithmetic number, because the mean of its divisors is an integer number (5644350).

Almost surely, 2^42820927 is an apocalyptic number.

42820927 is a deficient number, since it is larger than the sum of its proper divisors (2333873).

42820927 is a wasteful number, since it uses less digits than its factorization.

42820927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4025.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 42820927 is about 6543.7700907046. The cubic root of 42820927 is about 349.8528006862.

The spelling of 42820927 in words is "forty-two million, eight hundred twenty thousand, nine hundred twenty-seven".