6672769 has 2 divisors, whose sum is σ = 6672770. Its totient is φ = 6672768.

The previous prime is 6672761. The next prime is 6672773. The reversal of 6672769 is 9672766.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5702544 + 970225 = 2388^2 + 985^2 .

It is a cyclic number.

It is not a de Polignac number, because 6672769 - 2³ = 6672761 is a prime.

It is a super-2 number, since 2×6672769² = 89051692254722, which contains 22 as substring.

It is a d-powerful number, because it can be written as 6⁵ + 6⁵ + 7⁷ + 2¹¹ + 7⁸ + 6⁵ + 9⁵ .

It is not a weakly prime, because it can be changed into another prime (6672761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3336384 + 3336385.

It is an arithmetic number, because the mean of its divisors is an integer number (3336385).

Almost surely, 2^6672769 is an apocalyptic number.

It is an amenable number.

6672769 is a deficient number, since it is larger than the sum of its proper divisors (1).

6672769 is an equidigital number, since it uses as much as digits as its factorization.

6672769 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 6672769 is about 2583.1703389440. The cubic root of 6672769 is about 188.2646134190.

The spelling of 6672769 in words is "six million, six hundred seventy-two thousand, seven hundred sixty-nine".