18739064 has 16 divisors (see below), whose sum is σ = 35191800. Its totient is φ = 9354592.

The previous prime is 18739031. The next prime is 18739067. The reversal of 18739064 is 46093781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18739067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4907 + ... + 7845.

Almost surely, 2^18739064 is an apocalyptic number.

It is an amenable number.

18739064 is a deficient number, since it is larger than the sum of its proper divisors (16452736).

18739064 is a wasteful number, since it uses less digits than its factorization.

18739064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3742 (or 3738 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 18739064 is about 4328.8640542295. The cubic root of 18739064 is about 265.6129823213.

The spelling of 18739064 in words is "eighteen million, seven hundred thirty-nine thousand, sixty-four".