18060872 has 8 divisors (see below), whose sum is σ = 33864150. Its totient is φ = 9030432.

The previous prime is 18060871. The next prime is 18060877. The reversal of 18060872 is 27806081.

It can be written as a sum of positive squares in only one way, i.e., 15888196 + 2172676 = 3986^2 + 1474^2 .

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

It is not an unprimeable number, because it can be changed into a prime (18060871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128797 + ... + 1128812.

Almost surely, 2^18060872 is an apocalyptic number.

It is an amenable number.

18060872 is a deficient number, since it is larger than the sum of its proper divisors (15803278).

18060872 is a wasteful number, since it uses less digits than its factorization.

18060872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2257615 (or 2257611 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 18060872 is about 4249.8084662723. The cubic root of 18060872 is about 262.3692325243.

The spelling of 18060872 in words is "eighteen million, sixty thousand, eight hundred seventy-two".