673913077 has 2 divisors, whose sum is σ = 673913078. Its totient is φ = 673913076.

The previous prime is 673913069. The next prime is 673913081. The reversal of 673913077 is 770319376.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 671120836 + 2792241 = 25906^2 + 1671^2 .

It is a cyclic number.

It is not a de Polignac number, because 673913077 - 2³ = 673913069 is a prime.

It is equal to p_34970938 and since 673913077 and 34970938 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673913047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336956538 + 336956539.

It is an arithmetic number, because the mean of its divisors is an integer number (336956539).

Almost surely, 2^673913077 is an apocalyptic number.

It is an amenable number.

673913077 is a deficient number, since it is larger than the sum of its proper divisors (1).

673913077 is an equidigital number, since it uses as much as digits as its factorization.

673913077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 166698, while the sum is 43.

The square root of 673913077 is about 25959.8358430865. The cubic root of 673913077 is about 876.7342267149.

The spelling of 673913077 in words is "six hundred seventy-three million, nine hundred thirteen thousand, seventy-seven".