14720745 has 24 divisors (see below), whose sum is σ = 25508736. Its totient is φ = 7245888.

The previous prime is 14720731. The next prime is 14720767. The reversal of 14720745 is 54702741.

It is not a de Polignac number, because 14720745 - 2¹⁰ = 14719721 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 369 + ... + 5438.

It is an arithmetic number, because the mean of its divisors is an integer number (1062864).

Almost surely, 2^14720745 is an apocalyptic number.

14720745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14720745 is a deficient number, since it is larger than the sum of its proper divisors (10787991).

14720745 is a wasteful number, since it uses less digits than its factorization.

14720745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5841 (or 5828 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 14720745 is about 3836.7623069458. The cubic root of 14720745 is about 245.0811615043.

The spelling of 14720745 in words is "fourteen million, seven hundred twenty thousand, seven hundred forty-five".