14728990 has 16 divisors (see below), whose sum is σ = 27907920. Its totient is φ = 5581440.

The previous prime is 14728981. The next prime is 14729003. The reversal of 14728990 is 9982741.

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, 38571 + ... + 38950.

It is an arithmetic number, because the mean of its divisors is an integer number (1744245).

Almost surely, 2^14728990 is an apocalyptic number.

14728990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14728990 is a deficient number, since it is larger than the sum of its proper divisors (13178930).

14728990 is a wasteful number, since it uses less digits than its factorization.

14728990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77547.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 14728990 is about 3837.8366301863. The cubic root of 14728990 is about 245.1269091218.

The spelling of 14728990 in words is "fourteen million, seven hundred twenty-eight thousand, nine hundred ninety".