18826742 has 32 divisors (see below), whose sum is σ = 33281280. Its totient is φ = 7897120.

The previous prime is 18826741. The next prime is 18826781. The reversal of 18826742 is 24762881.

It is a junction number, because it is equal to n+sod(n) for n = 18826696 and 18826705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18826741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14033 + ... + 15315.

It is an arithmetic number, because the mean of its divisors is an integer number (1040040).

Almost surely, 2^18826742 is an apocalyptic number.

18826742 is a deficient number, since it is larger than the sum of its proper divisors (14454538).

18826742 is a wasteful number, since it uses less digits than its factorization.

18826742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348.

The product of its digits is 43008, while the sum is 38.

The square root of 18826742 is about 4338.9793730784. The cubic root of 18826742 is about 266.0265957918.

The spelling of 18826742 in words is "eighteen million, eight hundred twenty-six thousand, seven hundred forty-two".