743131673 has 2 divisors, whose sum is σ = 743131674. Its totient is φ = 743131672.

The previous prime is 743131663. The next prime is 743131759. The reversal of 743131673 is 376131347.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 496264729 + 246866944 = 22277^2 + 15712^2 .

It is a cyclic number.

It is not a de Polignac number, because 743131673 - 2⁴ = 743131657 is a prime.

It is not a weakly prime, because it can be changed into another prime (743131663) 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, 371565836 + 371565837.

It is an arithmetic number, because the mean of its divisors is an integer number (371565837).

Almost surely, 2^743131673 is an apocalyptic number.

It is an amenable number.

743131673 is a deficient number, since it is larger than the sum of its proper divisors (1).

743131673 is an equidigital number, since it uses as much as digits as its factorization.

743131673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31752, while the sum is 35.

The square root of 743131673 is about 27260.4415408115. The cubic root of 743131673 is about 905.7783249634.

The spelling of 743131673 in words is "seven hundred forty-three million, one hundred thirty-one thousand, six hundred seventy-three".