1672674917 has 2 divisors, whose sum is σ = 1672674918. Its totient is φ = 1672674916.

The previous prime is 1672674911. The next prime is 1672674923. The reversal of 1672674917 is 7194762761.

It is a balanced prime because it is at equal distance from previous prime (1672674911) and next prime (1672674923).

It can be written as a sum of positive squares in only one way, i.e., 1362421921 + 310252996 = 36911^2 + 17614^2 .

It is an emirp because it is prime and its reverse (7194762761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1672674917 - 2⁴ = 1672674901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1672674911) 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, 836337458 + 836337459.

It is an arithmetic number, because the mean of its divisors is an integer number (836337459).

Almost surely, 2^1672674917 is an apocalyptic number.

It is an amenable number.

1672674917 is a deficient number, since it is larger than the sum of its proper divisors (1).

1672674917 is an equidigital number, since it uses as much as digits as its factorization.

1672674917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 889056, while the sum is 50.

The square root of 1672674917 is about 40898.3485852424. The cubic root of 1672674917 is about 1187.0541066020.

The spelling of 1672674917 in words is "one billion, six hundred seventy-two million, six hundred seventy-four thousand, nine hundred seventeen".