14728457 has 2 divisors, whose sum is σ = 14728458. Its totient is φ = 14728456.

The previous prime is 14728451. The next prime is 14728463. The reversal of 14728457 is 75482741.

It is a balanced prime because it is at equal distance from previous prime (14728451) and next prime (14728463).

It can be written as a sum of positive squares in only one way, i.e., 8357881 + 6370576 = 2891^2 + 2524^2 .

It is a cyclic number.

It is not a de Polignac number, because 14728457 - 2⁶ = 14728393 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14728457.

It is not a weakly prime, because it can be changed into another prime (14728451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7364228 + 7364229.

It is an arithmetic number, because the mean of its divisors is an integer number (7364229).

Almost surely, 2^14728457 is an apocalyptic number.

It is an amenable number.

14728457 is a deficient number, since it is larger than the sum of its proper divisors (1).

14728457 is an equidigital number, since it uses as much as digits as its factorization.

14728457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62720, while the sum is 38.

The square root of 14728457 is about 3837.7671893954. The cubic root of 14728457 is about 245.1239522723.

The spelling of 14728457 in words is "fourteen million, seven hundred twenty-eight thousand, four hundred fifty-seven".