18713464 has 64 divisors (see below), whose sum is σ = 46344960. Its totient is φ = 6858240.

The previous prime is 18713459. The next prime is 18713489. The reversal of 18713464 is 46431781.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 9579 + ... + 11365.

It is an arithmetic number, because the mean of its divisors is an integer number (724140).

Almost surely, 2^18713464 is an apocalyptic number.

18713464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18713464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23172480).

18713464 is an abundant number, since it is smaller than the sum of its proper divisors (27631496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18713464 is a wasteful number, since it uses less digits than its factorization.

18713464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1828 (or 1824 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 18713464 is about 4325.9061478493. The cubic root of 18713464 is about 265.4919732336.

It can be divided in two parts, 1871 and 3464, that added together give a palindrome (5335).

The spelling of 18713464 in words is "eighteen million, seven hundred thirteen thousand, four hundred sixty-four".