7138673 has 2 divisors, whose sum is σ = 7138674. Its totient is φ = 7138672.

The previous prime is 7138643. The next prime is 7138693. The reversal of 7138673 is 3768317.

7138673 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7118224 + 20449 = 2668^2 + 143^2 .

It is a cyclic number.

It is not a de Polignac number, because 7138673 - 2¹⁴ = 7122289 is a prime.

It is not a weakly prime, because it can be changed into another prime (7138603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3569336 + 3569337.

It is an arithmetic number, because the mean of its divisors is an integer number (3569337).

Almost surely, 2^7138673 is an apocalyptic number.

It is an amenable number.

7138673 is a deficient number, since it is larger than the sum of its proper divisors (1).

7138673 is an equidigital number, since it uses as much as digits as its factorization.

7138673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 35.

The square root of 7138673 is about 2671.8295230048. The cubic root of 7138673 is about 192.5480669308.

The spelling of 7138673 in words is "seven million, one hundred thirty-eight thousand, six hundred seventy-three".