18276472 has 16 divisors (see below), whose sum is σ = 34327800. Its totient is φ = 9122400.

The previous prime is 18276469. The next prime is 18276473. The reversal of 18276472 is 27467281.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18276473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3979 + ... + 7237.

Almost surely, 2^18276472 is an apocalyptic number.

It is an amenable number.

18276472 is a deficient number, since it is larger than the sum of its proper divisors (16051328).

18276472 is a wasteful number, since it uses less digits than its factorization.

18276472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3966 (or 3962 counting only the distinct ones).

The product of its digits is 37632, while the sum is 37.

The square root of 18276472 is about 4275.0990631797. The cubic root of 18276472 is about 263.4091084965.

The spelling of 18276472 in words is "eighteen million, two hundred seventy-six thousand, four hundred seventy-two".