18764068 has 24 divisors (see below), whose sum is σ = 33512472. Its totient is φ = 9191424.

The previous prime is 18764051. The next prime is 18764111. The reversal of 18764068 is 86046781.

It can be written as a sum of positive squares in 4 ways, for example, as 2377764 + 16386304 = 1542^2 + 4048^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 18764068.

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, 52980 + ... + 53332.

It is an arithmetic number, because the mean of its divisors is an integer number (1396353).

Almost surely, 2^18764068 is an apocalyptic number.

It is an amenable number.

18764068 is a deficient number, since it is larger than the sum of its proper divisors (14748404).

18764068 is a wasteful number, since it uses less digits than its factorization.

18764068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591 (or 589 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 18764068 is about 4331.7511470536. The cubic root of 18764068 is about 265.7310678222.

The spelling of 18764068 in words is "eighteen million, seven hundred sixty-four thousand, sixty-eight".