18060472 has 8 divisors (see below), whose sum is σ = 33863400. Its totient is φ = 9030232.

The previous prime is 18060467. The next prime is 18060491. The reversal of 18060472 is 27406081.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 18060472.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1128772 + ... + 1128787.

It is an arithmetic number, because the mean of its divisors is an integer number (4232925).

Almost surely, 2^18060472 is an apocalyptic number.

It is an amenable number.

18060472 is a deficient number, since it is larger than the sum of its proper divisors (15802928).

18060472 is a wasteful number, since it uses less digits than its factorization.

18060472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2257565 (or 2257561 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 18060472 is about 4249.7614050673. The cubic root of 18060472 is about 262.3672955845.

The spelling of 18060472 in words is "eighteen million, sixty thousand, four hundred seventy-two".