18674002 has 4 divisors (see below), whose sum is σ = 28011006. Its totient is φ = 9337000.

The previous prime is 18673981. The next prime is 18674009. The reversal of 18674002 is 20047681.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17901361 + 772641 = 4231^2 + 879^2 .

It is not an unprimeable number, because it can be changed into a prime (18674009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4668499 + ... + 4668502.

Almost surely, 2^18674002 is an apocalyptic number.

18674002 is a deficient number, since it is larger than the sum of its proper divisors (9337004).

18674002 is an equidigital number, since it uses as much as digits as its factorization.

18674002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9337003.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 18674002 is about 4321.3426154379. The cubic root of 18674002 is about 265.3052232509.

The spelling of 18674002 in words is "eighteen million, six hundred seventy-four thousand, two".