13743745 has 8 divisors (see below), whose sum is σ = 17360640. Its totient is φ = 10416240.

The previous prime is 13743731. The next prime is 13743781. The reversal of 13743745 is 54734731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-13743745 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13743745.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 72241 + ... + 72430.

It is an arithmetic number, because the mean of its divisors is an integer number (2170080).

Almost surely, 2^13743745 is an apocalyptic number.

It is an amenable number.

13743745 is a deficient number, since it is larger than the sum of its proper divisors (3616895).

13743745 is a wasteful number, since it uses less digits than its factorization.

13743745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144695.

The product of its digits is 35280, while the sum is 34.

The square root of 13743745 is about 3707.2557235778. The cubic root of 13743745 is about 239.5346596690.

The spelling of 13743745 in words is "thirteen million, seven hundred forty-three thousand, seven hundred forty-five".