18690752 has 56 divisors (see below), whose sum is σ = 40325040. Its totient is φ = 8560640.

The previous prime is 18690739. The next prime is 18690797. The reversal of 18690752 is 25709681.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44399 + ... + 44817.

It is an arithmetic number, because the mean of its divisors is an integer number (720090).

Almost surely, 2^18690752 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 18690752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20162520).

18690752 is an abundant number, since it is smaller than the sum of its proper divisors (21634288).

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

18690752 is a wasteful number, since it uses less digits than its factorization.

18690752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489 (or 479 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 18690752 is about 4323.2802361170. The cubic root of 18690752 is about 265.3845230618.

The spelling of 18690752 in words is "eighteen million, six hundred ninety thousand, seven hundred fifty-two".