14975728 has 40 divisors (see below), whose sum is σ = 30335360. Its totient is φ = 7153920.

The previous prime is 14975717. The next prime is 14975761. The reversal of 14975728 is 82757941.

It is a congruent number.

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, 53926 + ... + 54202.

It is an arithmetic number, because the mean of its divisors is an integer number (758384).

Almost surely, 2^14975728 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 14975728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15167680).

14975728 is an abundant number, since it is smaller than the sum of its proper divisors (15359632).

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

14975728 is a wasteful number, since it uses less digits than its factorization.

14975728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425 (or 419 counting only the distinct ones).

The product of its digits is 141120, while the sum is 43.

The square root of 14975728 is about 3869.8485758489. The cubic root of 14975728 is about 246.4881136205.

It can be divided in two parts, 1497 and 5728, that added together give a square (7225 = 85²).

The spelling of 14975728 in words is "fourteen million, nine hundred seventy-five thousand, seven hundred twenty-eight".