6772609 has 2 divisors, whose sum is σ = 6772610. Its totient is φ = 6772608.

The previous prime is 6772547. The next prime is 6772643. The reversal of 6772609 is 9062776.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3814209 + 2958400 = 1953^2 + 1720^2 .

It is a cyclic number.

It is not a de Polignac number, because 6772609 - 2⁷ = 6772481 is a prime.

It is not a weakly prime, because it can be changed into another prime (6772679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3386304 + 3386305.

It is an arithmetic number, because the mean of its divisors is an integer number (3386305).

Almost surely, 2^6772609 is an apocalyptic number.

It is an amenable number.

6772609 is a deficient number, since it is larger than the sum of its proper divisors (1).

6772609 is an equidigital number, since it uses as much as digits as its factorization.

6772609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 6772609 is about 2602.4236780355. The cubic root of 6772609 is about 189.1989264481.

It can be divided in two parts, 6772 and 609, that added together give a triangular number (7381 = T₁₂₁).

The spelling of 6772609 in words is "six million, seven hundred seventy-two thousand, six hundred nine".