18676734 has 32 divisors (see below), whose sum is σ = 39588480. Its totient is φ = 5857632.

The previous prime is 18676733. The next prime is 18676769. The reversal of 18676734 is 43767681.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18676733) 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, 19249 + ... + 20195.

It is an arithmetic number, because the mean of its divisors is an integer number (1237140).

Almost surely, 2^18676734 is an apocalyptic number.

18676734 is an abundant number, since it is smaller than the sum of its proper divisors (20911746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18676734 is a wasteful number, since it uses less digits than its factorization.

18676734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144.

The product of its digits is 169344, while the sum is 42.

The square root of 18676734 is about 4321.6587093383. The cubic root of 18676734 is about 265.3181606407.

The spelling of 18676734 in words is "eighteen million, six hundred seventy-six thousand, seven hundred thirty-four".