3678743 has 2 divisors, whose sum is σ = 3678744. Its totient is φ = 3678742.

The previous prime is 3678713. The next prime is 3678751. The reversal of 3678743 is 3478763.

It is a strong prime.

It is an emirp because it is prime and its reverse (3478763) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3678743 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 3678697 and 3678706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3678713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1839371 + 1839372.

It is an arithmetic number, because the mean of its divisors is an integer number (1839372).

Almost surely, 2^3678743 is an apocalyptic number.

3678743 is a deficient number, since it is larger than the sum of its proper divisors (1).

3678743 is an equidigital number, since it uses as much as digits as its factorization.

3678743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 38.

The square root of 3678743 is about 1918.0049530697. The cubic root of 3678743 is about 154.3712720720.

The spelling of 3678743 in words is "three million, six hundred seventy-eight thousand, seven hundred forty-three".