673444741 has 2 divisors, whose sum is σ = 673444742. Its totient is φ = 673444740.

The previous prime is 673444679. The next prime is 673444747. The reversal of 673444741 is 147444376.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 631064641 + 42380100 = 25121^2 + 6510^2 .

It is a cyclic number.

It is not a de Polignac number, because 673444741 - 2¹³ = 673436549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 673444694 and 673444703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673444747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336722370 + 336722371.

It is an arithmetic number, because the mean of its divisors is an integer number (336722371).

Almost surely, 2^673444741 is an apocalyptic number.

It is an amenable number.

673444741 is a deficient number, since it is larger than the sum of its proper divisors (1).

673444741 is an equidigital number, since it uses as much as digits as its factorization.

673444741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 225792, while the sum is 40.

The square root of 673444741 is about 25950.8138793372. The cubic root of 673444741 is about 876.5310841195.

The spelling of 673444741 in words is "six hundred seventy-three million, four hundred forty-four thousand, seven hundred forty-one".