673263407 has 2 divisors, whose sum is σ = 673263408. Its totient is φ = 673263406.

The previous prime is 673263343. The next prime is 673263439. The reversal of 673263407 is 704362376.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 673263407 - 2⁶ = 673263343 is a prime.

It is a super-3 number, since 3×673263407³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673263467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336631703 + 336631704.

It is an arithmetic number, because the mean of its divisors is an integer number (336631704).

Almost surely, 2^673263407 is an apocalyptic number.

673263407 is a deficient number, since it is larger than the sum of its proper divisors (1).

673263407 is an equidigital number, since it uses as much as digits as its factorization.

673263407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 38.

The square root of 673263407 is about 25947.3198423267. The cubic root of 673263407 is about 876.4524044862.

The spelling of 673263407 in words is "six hundred seventy-three million, two hundred sixty-three thousand, four hundred seven".