673437097 has 2 divisors, whose sum is σ = 673437098. Its totient is φ = 673437096.

The previous prime is 673437091. The next prime is 673437109. The reversal of 673437097 is 790734376.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 389312361 + 284124736 = 19731^2 + 16856^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-673437097 is a prime.

It is not a weakly prime, because it can be changed into another prime (673437091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336718548 + 336718549.

It is an arithmetic number, because the mean of its divisors is an integer number (336718549).

Almost surely, 2^673437097 is an apocalyptic number.

It is an amenable number.

673437097 is a deficient number, since it is larger than the sum of its proper divisors (1).

673437097 is an equidigital number, since it uses as much as digits as its factorization.

673437097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 666792, while the sum is 46.

The square root of 673437097 is about 25950.6666003014. Note that the first 4 decimals coincide. The cubic root of 673437097 is about 876.5277677232.

The spelling of 673437097 in words is "six hundred seventy-three million, four hundred thirty-seven thousand, ninety-seven".