1672314673 has 2 divisors, whose sum is σ = 1672314674. Its totient is φ = 1672314672.

The previous prime is 1672314643. The next prime is 1672314689. The reversal of 1672314673 is 3764132761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1662029824 + 10284849 = 40768^2 + 3207^2 .

It is an emirp because it is prime and its reverse (3764132761) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1672314673 is a prime.

It is not a weakly prime, because it can be changed into another prime (1672314643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836157336 + 836157337.

It is an arithmetic number, because the mean of its divisors is an integer number (836157337).

Almost surely, 2^1672314673 is an apocalyptic number.

It is an amenable number.

1672314673 is a deficient number, since it is larger than the sum of its proper divisors (1).

1672314673 is an equidigital number, since it uses as much as digits as its factorization.

1672314673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 40.

The square root of 1672314673 is about 40893.9442093814. The cubic root of 1672314673 is about 1186.9688818684.

The spelling of 1672314673 in words is "one billion, six hundred seventy-two million, three hundred fourteen thousand, six hundred seventy-three".