18540076 has 12 divisors (see below), whose sum is σ = 32477760. Its totient is φ = 9260720.

The previous prime is 18540061. The next prime is 18540083. The reversal of 18540076 is 67004581.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4146 + ... + 7366.

It is an arithmetic number, because the mean of its divisors is an integer number (2706480).

Almost surely, 2^18540076 is an apocalyptic number.

It is an amenable number.

18540076 is a deficient number, since it is larger than the sum of its proper divisors (13937684).

18540076 is a wasteful number, since it uses less digits than its factorization.

18540076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4664 (or 4662 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 18540076 is about 4305.8188535980. The cubic root of 18540076 is about 264.6694632907.

The spelling of 18540076 in words is "eighteen million, five hundred forty thousand, seventy-six".