18094739 has 8 divisors (see below), whose sum is σ = 20013840. Its totient is φ = 16250976.

The previous prime is 18094733. The next prime is 18094799. The reversal of 18094739 is 93749081.

It is a happy number.

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 18094739 - 2⁴ = 18094723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18094696 and 18094705.

It is not an unprimeable number, because it can be changed into a prime (18094733) 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, 18329 + ... + 19290.

It is an arithmetic number, because the mean of its divisors is an integer number (2501730).

Almost surely, 2^18094739 is an apocalyptic number.

18094739 is a deficient number, since it is larger than the sum of its proper divisors (1919101).

18094739 is a wasteful number, since it uses less digits than its factorization.

18094739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37669.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 18094739 is about 4253.7911326251. The cubic root of 18094739 is about 262.5331247692.

The spelling of 18094739 in words is "eighteen million, ninety-four thousand, seven hundred thirty-nine".