18774014 has 32 divisors (see below), whose sum is σ = 34164480. Its totient is φ = 7558272.

The previous prime is 18774011. The next prime is 18774043. The reversal of 18774014 is 41047781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18774011) 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, 43142 + ... + 43574.

It is an arithmetic number, because the mean of its divisors is an integer number (1067640).

Almost surely, 2^18774014 is an apocalyptic number.

18774014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18774014 is a deficient number, since it is larger than the sum of its proper divisors (15390466).

18774014 is a wasteful number, since it uses less digits than its factorization.

18774014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624.

The product of its (nonzero) digits is 6272, while the sum is 32.

The square root of 18774014 is about 4332.8990295182. The cubic root of 18774014 is about 265.7780102792.

The spelling of 18774014 in words is "eighteen million, seven hundred seventy-four thousand, fourteen".