18763064 has 8 divisors (see below), whose sum is σ = 35180760. Its totient is φ = 9381528.

The previous prime is 18763057. The next prime is 18763067. The reversal of 18763064 is 46036781.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18763067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1172684 + ... + 1172699.

It is an arithmetic number, because the mean of its divisors is an integer number (4397595).

Almost surely, 2^18763064 is an apocalyptic number.

It is an amenable number.

18763064 is a deficient number, since it is larger than the sum of its proper divisors (16417696).

18763064 is a wasteful number, since it uses less digits than its factorization.

18763064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2345389 (or 2345385 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 18763064 is about 4331.6352570363. The cubic root of 18763064 is about 265.7263282894.

The spelling of 18763064 in words is "eighteen million, seven hundred sixty-three thousand, sixty-four".