18725763 has 16 divisors (see below), whose sum is σ = 28962560. Its totient is φ = 10539936.

The previous prime is 18725747. The next prime is 18725779. The reversal of 18725763 is 36752781.

It is an interprime number because it is at equal distance from previous prime (18725747) and next prime (18725779).

It is not a de Polignac number, because 18725763 - 2⁴ = 18725747 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18725723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5248 + ... + 8061.

It is an arithmetic number, because the mean of its divisors is an integer number (1810160).

Almost surely, 2^18725763 is an apocalyptic number.

18725763 is a deficient number, since it is larger than the sum of its proper divisors (10236797).

18725763 is a wasteful number, since it uses less digits than its factorization.

18725763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13386.

The product of its digits is 70560, while the sum is 39.

The square root of 18725763 is about 4327.3274662313. The cubic root of 18725763 is about 265.5501233565.

The spelling of 18725763 in words is "eighteen million, seven hundred twenty-five thousand, seven hundred sixty-three".