18057482 has 4 divisors (see below), whose sum is σ = 27086226. Its totient is φ = 9028740.

The previous prime is 18057449. The next prime is 18057491. The reversal of 18057482 is 28475081.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 18054001 + 3481 = 4249^2 + 59^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4514369 + ... + 4514372.

Almost surely, 2^18057482 is an apocalyptic number.

18057482 is a deficient number, since it is larger than the sum of its proper divisors (9028744).

18057482 is an equidigital number, since it uses as much as digits as its factorization.

18057482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9028743.

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 18057482 is about 4249.4096060512. The cubic root of 18057482 is about 262.3528160531.

The spelling of 18057482 in words is "eighteen million, fifty-seven thousand, four hundred eighty-two".