18748704 has 96 divisors (see below), whose sum is σ = 53936064. Its totient is φ = 5667840.

The previous prime is 18748699. The next prime is 18748727. The reversal of 18748704 is 40784781.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103494 + ... + 103674.

It is an arithmetic number, because the mean of its divisors is an integer number (561834).

Almost surely, 2^18748704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18748704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26968032).

18748704 is an abundant number, since it is smaller than the sum of its proper divisors (35187360).

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

18748704 is a wasteful number, since it uses less digits than its factorization.

18748704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 39.

The square root of 18748704 is about 4329.9773671464. The cubic root of 18748704 is about 265.6585212413.

The spelling of 18748704 in words is "eighteen million, seven hundred forty-eight thousand, seven hundred four".