18914674 has 8 divisors (see below), whose sum is σ = 28653228. Its totient is φ = 9363600.

The previous prime is 18914669. The next prime is 18914677. The reversal of 18914674 is 47641981.

It can be written as a sum of positive squares in 2 ways, for example, as 11390625 + 7524049 = 3375^2 + 2743^2 .

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

It is not an unprimeable number, because it can be changed into a prime (18914677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46617 + ... + 47020.

Almost surely, 2^18914674 is an apocalyptic number.

18914674 is a deficient number, since it is larger than the sum of its proper divisors (9738554).

18914674 is a wasteful number, since it uses less digits than its factorization.

18914674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93740.

The product of its digits is 48384, while the sum is 40.

The square root of 18914674 is about 4349.1003667425. The cubic root of 18914674 is about 266.4401197441.

The spelling of 18914674 in words is "eighteen million, nine hundred fourteen thousand, six hundred seventy-four".