18463472 has 10 divisors (see below), whose sum is σ = 35773008. Its totient is φ = 9231728.

The previous prime is 18463453. The next prime is 18463477. The reversal of 18463472 is 27436481.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18463477) 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 as a sum of consecutive naturals, namely, 576968 + ... + 576999.

Almost surely, 2^18463472 is an apocalyptic number.

It is an amenable number.

18463472 is a deficient number, since it is larger than the sum of its proper divisors (17309536).

18463472 is a wasteful number, since it uses less digits than its factorization.

18463472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153975 (or 1153969 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The square root of 18463472 is about 4296.9142416390. The cubic root of 18463472 is about 264.3044391199.

The spelling of 18463472 in words is "eighteen million, four hundred sixty-three thousand, four hundred seventy-two".