673703407037 has 2 divisors, whose sum is σ = 673703407038. Its totient is φ = 673703407036.

The previous prime is 673703406997. The next prime is 673703407057. The reversal of 673703407037 is 730704307376.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 672040887961 + 1662519076 = 819781^2 + 40774^2 .

It is a cyclic number.

It is not a de Polignac number, because 673703407037 - 2¹⁸ = 673703144893 is a prime.

It is a super-3 number, since 3×673703407037³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 673703406982 and 673703407000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673703407057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336851703518 + 336851703519.

It is an arithmetic number, because the mean of its divisors is an integer number (336851703519).

Almost surely, 2^673703407037 is an apocalyptic number.

It is an amenable number.

673703407037 is a deficient number, since it is larger than the sum of its proper divisors (1).

673703407037 is an equidigital number, since it uses as much as digits as its factorization.

673703407037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1555848, while the sum is 47.

The spelling of 673703407037 in words is "six hundred seventy-three billion, seven hundred three million, four hundred seven thousand, thirty-seven".