18452673 has 12 divisors (see below), whose sum is σ = 26790400. Its totient is φ = 12238776.

The previous prime is 18452669. The next prime is 18452689. The reversal of 18452673 is 37625481.

It is not a de Polignac number, because 18452673 - 2² = 18452669 is a prime.

It is a super-2 number, since 2×18452673² = 681002281689858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18452773) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3361 + ... + 6942.

Almost surely, 2^18452673 is an apocalyptic number.

It is an amenable number.

18452673 is a deficient number, since it is larger than the sum of its proper divisors (8337727).

18452673 is a wasteful number, since it uses less digits than its factorization.

18452673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10508 (or 10505 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 18452673 is about 4295.6574584108. The cubic root of 18452673 is about 264.2528998738.

The spelling of 18452673 in words is "eighteen million, four hundred fifty-two thousand, six hundred seventy-three".