18029476 has 12 divisors (see below), whose sum is σ = 32569600. Its totient is φ = 8723880.

The previous prime is 18029441. The next prime is 18029477. The reversal of 18029476 is 67492081.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (18029477) 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, 72576 + ... + 72823.

Almost surely, 2^18029476 is an apocalyptic number.

It is an amenable number.

18029476 is a deficient number, since it is larger than the sum of its proper divisors (14540124).

18029476 is a wasteful number, since it uses less digits than its factorization.

18029476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145434 (or 145432 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 18029476 is about 4246.1130460693. The cubic root of 18029476 is about 262.2171150601.

The spelling of 18029476 in words is "eighteen million, twenty-nine thousand, four hundred seventy-six".