18674995 has 4 divisors (see below), whose sum is σ = 22410000. Its totient is φ = 14939992.

The previous prime is 18674987. The next prime is 18675053. The reversal of 18674995 is 59947681.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59947681 = 1913 ⋅31337.

It is a cyclic number.

It is not a de Polignac number, because 18674995 - 2³ = 18674987 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 1867495 + ... + 1867504.

It is an arithmetic number, because the mean of its divisors is an integer number (5602500).

Almost surely, 2^18674995 is an apocalyptic number.

18674995 is a deficient number, since it is larger than the sum of its proper divisors (3735005).

18674995 is an equidigital number, since it uses as much as digits as its factorization.

18674995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3735004.

The product of its digits is 544320, while the sum is 49.

The square root of 18674995 is about 4321.4575087579. The cubic root of 18674995 is about 265.3099257497.

The spelling of 18674995 in words is "eighteen million, six hundred seventy-four thousand, nine hundred ninety-five".