673418237 has 2 divisors, whose sum is σ = 673418238. Its totient is φ = 673418236.

The previous prime is 673418201. The next prime is 673418267. The reversal of 673418237 is 732814376.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 489028996 + 184389241 = 22114^2 + 13579^2 .

It is a cyclic number.

It is not a de Polignac number, because 673418237 - 2¹⁸ = 673156093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 673418194 and 673418203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673418267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336709118 + 336709119.

It is an arithmetic number, because the mean of its divisors is an integer number (336709119).

Almost surely, 2^673418237 is an apocalyptic number.

It is an amenable number.

673418237 is a deficient number, since it is larger than the sum of its proper divisors (1).

673418237 is an equidigital number, since it uses as much as digits as its factorization.

673418237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 41.

The square root of 673418237 is about 25950.3032159549. The cubic root of 673418237 is about 876.5195850891.

The spelling of 673418237 in words is "six hundred seventy-three million, four hundred eighteen thousand, two hundred thirty-seven".