18776042 has 8 divisors (see below), whose sum is σ = 28641600. Its totient is φ = 9228844.

The previous prime is 18776033. The next prime is 18776071. The reversal of 18776042 is 24067781.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 18775993 and 18776011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79442 + ... + 79677.

It is an arithmetic number, because the mean of its divisors is an integer number (3580200).

Almost surely, 2^18776042 is an apocalyptic number.

18776042 is a deficient number, since it is larger than the sum of its proper divisors (9865558).

18776042 is a wasteful number, since it uses less digits than its factorization.

18776042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159180.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 18776042 is about 4333.1330466534. The cubic root of 18776042 is about 265.7875798612.

The spelling of 18776042 in words is "eighteen million, seven hundred seventy-six thousand, forty-two".