1372644673 has 2 divisors, whose sum is σ = 1372644674. Its totient is φ = 1372644672.

The previous prime is 1372644659. The next prime is 1372644697. The reversal of 1372644673 is 3764462731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1015888129 + 356756544 = 31873^2 + 18888^2 .

It is a cyclic number.

It is not a de Polignac number, because 1372644673 - 2²⁵ = 1339090241 is a prime.

It is a super-3 number, since 3×1372644673³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1372644613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686322336 + 686322337.

It is an arithmetic number, because the mean of its divisors is an integer number (686322337).

Almost surely, 2^1372644673 is an apocalyptic number.

It is an amenable number.

1372644673 is a deficient number, since it is larger than the sum of its proper divisors (1).

1372644673 is an equidigital number, since it uses as much as digits as its factorization.

1372644673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 43.

The square root of 1372644673 is about 37049.2196004180. The cubic root of 1372644673 is about 1111.3547490233.

The spelling of 1372644673 in words is "one billion, three hundred seventy-two million, six hundred forty-four thousand, six hundred seventy-three".