6939473 has 2 divisors, whose sum is σ = 6939474. Its totient is φ = 6939472.

The previous prime is 6939467. The next prime is 6939487. The reversal of 6939473 is 3749396.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4592449 + 2347024 = 2143^2 + 1532^2 .

It is a cyclic number.

It is not a de Polignac number, because 6939473 - 2¹⁴ = 6923089 is a prime.

It is a d-powerful number, because it can be written as 6⁸ + 9⁶ + 3³ + 9⁶ + 4¹¹ + 7⁴ + 3⁵ .

It is a self number, because there is not a number n which added to its sum of digits gives 6939473.

It is not a weakly prime, because it can be changed into another prime (6939173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3469736 + 3469737.

It is an arithmetic number, because the mean of its divisors is an integer number (3469737).

Almost surely, 2^6939473 is an apocalyptic number.

It is an amenable number.

6939473 is a deficient number, since it is larger than the sum of its proper divisors (1).

6939473 is an equidigital number, since it uses as much as digits as its factorization.

6939473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122472, while the sum is 41.

The square root of 6939473 is about 2634.2879493328. The cubic root of 6939473 is about 190.7401691577.

The spelling of 6939473 in words is "six million, nine hundred thirty-nine thousand, four hundred seventy-three".