6742772473 has 2 divisors, whose sum is σ = 6742772474. Its totient is φ = 6742772472.

The previous prime is 6742772471. The next prime is 6742772501. The reversal of 6742772473 is 3742772476.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4372251129 + 2370521344 = 66123^2 + 48688^2 .

It is a cyclic number.

It is not a de Polignac number, because 6742772473 - 2¹ = 6742772471 is a prime.

Together with 6742772471, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (6742772471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3371386236 + 3371386237.

It is an arithmetic number, because the mean of its divisors is an integer number (3371386237).

Almost surely, 2^6742772473 is an apocalyptic number.

It is an amenable number.

6742772473 is a deficient number, since it is larger than the sum of its proper divisors (1).

6742772473 is an equidigital number, since it uses as much as digits as its factorization.

6742772473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2765952, while the sum is 49.

The square root of 6742772473 is about 82114.3865166147. The cubic root of 6742772473 is about 1889.2068070313.

The spelling of 6742772473 in words is "six billion, seven hundred forty-two million, seven hundred seventy-two thousand, four hundred seventy-three".