673394629 has 2 divisors, whose sum is σ = 673394630. Its totient is φ = 673394628.

The previous prime is 673394591. The next prime is 673394641. The reversal of 673394629 is 926493376.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 640596100 + 32798529 = 25310^2 + 5727^2 .

It is a cyclic number.

It is not a de Polignac number, because 673394629 - 2¹⁵ = 673361861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673394669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336697314 + 336697315.

It is an arithmetic number, because the mean of its divisors is an integer number (336697315).

Almost surely, 2^673394629 is an apocalyptic number.

It is an amenable number.

673394629 is a deficient number, since it is larger than the sum of its proper divisors (1).

673394629 is an equidigital number, since it uses as much as digits as its factorization.

673394629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1469664, while the sum is 49.

The square root of 673394629 is about 25949.8483425241. The cubic root of 673394629 is about 876.5093422638.

The spelling of 673394629 in words is "six hundred seventy-three million, three hundred ninety-four thousand, six hundred twenty-nine".