18700763 has 2 divisors, whose sum is σ = 18700764. Its totient is φ = 18700762.

The previous prime is 18700753. The next prime is 18700789. The reversal of 18700763 is 36700781.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18700763 - 2¹⁰ = 18699739 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (18700723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9350381 + 9350382.

It is an arithmetic number, because the mean of its divisors is an integer number (9350382).

Almost surely, 2^18700763 is an apocalyptic number.

18700763 is a deficient number, since it is larger than the sum of its proper divisors (1).

18700763 is an equidigital number, since it uses as much as digits as its factorization.

18700763 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 18700763 is about 4324.4378825461. The cubic root of 18700763 is about 265.4318956924.

The spelling of 18700763 in words is "eighteen million, seven hundred thousand, seven hundred sixty-three".