6729901 has 2 divisors, whose sum is σ = 6729902. Its totient is φ = 6729900.

The previous prime is 6729871. The next prime is 6729911. The reversal of 6729901 is 1099276.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6007401 + 722500 = 2451^2 + 850^2 .

It is a cyclic number.

It is not a de Polignac number, because 6729901 - 2⁹ = 6729389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6729911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3364950 + 3364951.

It is an arithmetic number, because the mean of its divisors is an integer number (3364951).

Almost surely, 2^6729901 is an apocalyptic number.

It is an amenable number.

6729901 is a deficient number, since it is larger than the sum of its proper divisors (1).

6729901 is an equidigital number, since it uses as much as digits as its factorization.

6729901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 6729901 is about 2594.2052732966. The cubic root of 6729901 is about 188.8003920830.

The spelling of 6729901 in words is "six million, seven hundred twenty-nine thousand, nine hundred one".