18457082 has 16 divisors (see below), whose sum is σ = 31715712. Its totient is φ = 7891440.

The previous prime is 18457073. The next prime is 18457097. The reversal of 18457082 is 28075481.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5732 + ... + 8352.

It is an arithmetic number, because the mean of its divisors is an integer number (1982232).

Almost surely, 2^18457082 is an apocalyptic number.

18457082 is a deficient number, since it is larger than the sum of its proper divisors (13258630).

18457082 is a wasteful number, since it uses less digits than its factorization.

18457082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3133.

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

The square root of 18457082 is about 4296.1706204479. The cubic root of 18457082 is about 264.2739446705.

The spelling of 18457082 in words is "eighteen million, four hundred fifty-seven thousand, eighty-two".