18730264 has 32 divisors (see below), whose sum is σ = 40367520. Its totient is φ = 7981056.

The previous prime is 18730237. The next prime is 18730273. The reversal of 18730264 is 46203781.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9942 + ... + 11674.

It is an arithmetic number, because the mean of its divisors is an integer number (1261485).

Almost surely, 2^18730264 is an apocalyptic number.

18730264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18730264 is an abundant number, since it is smaller than the sum of its proper divisors (21637256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18730264 is a wasteful number, since it uses less digits than its factorization.

18730264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939 (or 1935 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 18730264 is about 4327.8475019344. The cubic root of 18730264 is about 265.5713978853.

The spelling of 18730264 in words is "eighteen million, seven hundred thirty thousand, two hundred sixty-four".