18775414 has 8 divisors (see below), whose sum is σ = 32186448. Its totient is φ = 8046600.

The previous prime is 18775403. The next prime is 18775423. The reversal of 18775414 is 41457781.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 670537 + ... + 670564.

It is an arithmetic number, because the mean of its divisors is an integer number (4023306).

Almost surely, 2^18775414 is an apocalyptic number.

18775414 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18775414 is a deficient number, since it is larger than the sum of its proper divisors (13411034).

18775414 is a wasteful number, since it uses less digits than its factorization.

18775414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341110.

The product of its digits is 31360, while the sum is 37.

The square root of 18775414 is about 4333.0605811597. The cubic root of 18775414 is about 265.7846165732.

The spelling of 18775414 in words is "eighteen million, seven hundred seventy-five thousand, four hundred fourteen".