14640732 has 72 divisors (see below), whose sum is σ = 38591280. Its totient is φ = 4677120.

The previous prime is 14640727. The next prime is 14640749. The reversal of 14640732 is 23704641.

14640732 is a `hidden beast` number, since 14 + 640 + 7 + 3 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 14640696 and 14640705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 129508 + ... + 129620.

It is an arithmetic number, because the mean of its divisors is an integer number (535990).

Almost surely, 2^14640732 is an apocalyptic number.

14640732 is a gapful number since it is divisible by the number (12) 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 14640732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19295640).

14640732 is an abundant number, since it is smaller than the sum of its proper divisors (23950548).

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

14640732 is a wasteful number, since it uses less digits than its factorization.

14640732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 14640732 is about 3826.3209483785. The cubic root of 14640732 is about 244.6363172747.

The spelling of 14640732 in words is "fourteen million, six hundred forty thousand, seven hundred thirty-two".