18496745 has 8 divisors (see below), whose sum is σ = 22344000. Its totient is φ = 14698800.

The previous prime is 18496741. The next prime is 18496759. The reversal of 18496745 is 54769481.

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

It is not a de Polignac number, because 18496745 - 2² = 18496741 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 18496696 and 18496705.

It is not an unprimeable number, because it can be changed into a prime (18496741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11495 + ... + 13004.

It is an arithmetic number, because the mean of its divisors is an integer number (2793000).

Almost surely, 2^18496745 is an apocalyptic number.

It is an amenable number.

18496745 is a deficient number, since it is larger than the sum of its proper divisors (3847255).

18496745 is a wasteful number, since it uses less digits than its factorization.

18496745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24655.

The product of its digits is 241920, while the sum is 44.

The square root of 18496745 is about 4300.7842308119. The cubic root of 18496745 is about 264.4631114110.

The spelling of 18496745 in words is "eighteen million, four hundred ninety-six thousand, seven hundred forty-five".