3678973 has 2 divisors, whose sum is σ = 3678974. Its totient is φ = 3678972.

The previous prime is 3678967. The next prime is 3678977. The reversal of 3678973 is 3798763.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3003289 + 675684 = 1733^2 + 822^2 .

It is a cyclic number.

It is not a de Polignac number, because 3678973 - 2⁹ = 3678461 is a prime.

3678973 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3678977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1839486 + 1839487.

It is an arithmetic number, because the mean of its divisors is an integer number (1839487).

Almost surely, 2^3678973 is an apocalyptic number.

It is an amenable number.

3678973 is a deficient number, since it is larger than the sum of its proper divisors (1).

3678973 is an equidigital number, since it uses as much as digits as its factorization.

3678973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 190512, while the sum is 43.

The square root of 3678973 is about 1918.0649102676. The cubic root of 3678973 is about 154.3744891720.

It can be divided in two parts, 3 and 678973, that added together give a square (678976 = 824²).

The spelling of 3678973 in words is "three million, six hundred seventy-eight thousand, nine hundred seventy-three".