18364742 has 8 divisors (see below), whose sum is σ = 30051432. Its totient is φ = 8347600.

The previous prime is 18364711. The next prime is 18364769. The reversal of 18364742 is 24746381.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 417359 + ... + 417402.

It is an arithmetic number, because the mean of its divisors is an integer number (3756429).

Almost surely, 2^18364742 is an apocalyptic number.

18364742 is a deficient number, since it is larger than the sum of its proper divisors (11686690).

18364742 is a wasteful number, since it uses less digits than its factorization.

18364742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834774.

The product of its digits is 32256, while the sum is 35.

The square root of 18364742 is about 4285.4103654143. The cubic root of 18364742 is about 263.8324905381.

The spelling of 18364742 in words is "eighteen million, three hundred sixty-four thousand, seven hundred forty-two".