18079734 has 8 divisors (see below), whose sum is σ = 36159480. Its totient is φ = 6026576.

The previous prime is 18079709. The next prime is 18079739. The reversal of 18079734 is 43797081.

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

18079734 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 18079692 and 18079701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18079739) by changing a digit.

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, 1506639 + ... + 1506650.

It is an arithmetic number, because the mean of its divisors is an integer number (4519935).

Almost surely, 2^18079734 is an apocalyptic number.

18079734 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18079734 is a wasteful number, since it uses less digits than its factorization.

18079734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3013294.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 18079734 is about 4252.0270460099. The cubic root of 18079734 is about 262.4605364711.

The spelling of 18079734 in words is "eighteen million, seventy-nine thousand, seven hundred thirty-four".