7683745 has 8 divisors (see below), whose sum is σ = 9762984. Its totient is φ = 5785344.

The previous prime is 7683727. The next prime is 7683749. The reversal of 7683745 is 5473867.

It can be written as a sum of positive squares in 4 ways, for example, as 88209 + 7595536 = 297^2 + 2756^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 7683745 - 2⁷ = 7683617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7683698 and 7683707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7683749) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 45114 + ... + 45283.

It is an arithmetic number, because the mean of its divisors is an integer number (1220373).

Almost surely, 2^7683745 is an apocalyptic number.

It is an amenable number.

7683745 is a deficient number, since it is larger than the sum of its proper divisors (2079239).

7683745 is a wasteful number, since it uses less digits than its factorization.

7683745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90419.

The product of its digits is 141120, while the sum is 40.

The square root of 7683745 is about 2771.9568899967. The cubic root of 7683745 is about 197.3290300554.

The spelling of 7683745 in words is "seven million, six hundred eighty-three thousand, seven hundred forty-five".