18750475 has 6 divisors (see below), whose sum is σ = 23250620. Its totient is φ = 15000360.

The previous prime is 18750469. The next prime is 18750493. The reversal of 18750475 is 57405781.

It is not a de Polignac number, because 18750475 - 2³ = 18750467 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 374985 + ... + 375034.

Almost surely, 2^18750475 is an apocalyptic number.

18750475 is a deficient number, since it is larger than the sum of its proper divisors (4500145).

18750475 is an equidigital number, since it uses as much as digits as its factorization.

18750475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750029 (or 750024 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 37.

The square root of 18750475 is about 4330.1818668504. The cubic root of 18750475 is about 265.6668856670. Note that the first 3 decimals are identical.

The spelling of 18750475 in words is "eighteen million, seven hundred fifty thousand, four hundred seventy-five".