18672352 has 12 divisors (see below), whose sum is σ = 36761256. Its totient is φ = 9336160.

The previous prime is 18672349. The next prime is 18672359. The reversal of 18672352 is 25327681.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18672359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 291724 + ... + 291787.

It is an arithmetic number, because the mean of its divisors is an integer number (3063438).

Almost surely, 2^18672352 is an apocalyptic number.

It is an amenable number.

18672352 is a deficient number, since it is larger than the sum of its proper divisors (18088904).

18672352 is an equidigital number, since it uses as much as digits as its factorization.

18672352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583521 (or 583513 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 18672352 is about 4321.1516983323. The cubic root of 18672352 is about 265.2974090625.

The spelling of 18672352 in words is "eighteen million, six hundred seventy-two thousand, three hundred fifty-two".