673105507 has 2 divisors, whose sum is σ = 673105508. Its totient is φ = 673105506.

The previous prime is 673105493. The next prime is 673105547. The reversal of 673105507 is 705501376.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 673105507 - 2²⁷ = 538887779 is a prime.

It is not a weakly prime, because it can be changed into another prime (673105547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336552753 + 336552754.

It is an arithmetic number, because the mean of its divisors is an integer number (336552754).

Almost surely, 2^673105507 is an apocalyptic number.

673105507 is a deficient number, since it is larger than the sum of its proper divisors (1).

673105507 is an equidigital number, since it uses as much as digits as its factorization.

673105507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22050, while the sum is 34.

The square root of 673105507 is about 25944.2769604397. The cubic root of 673105507 is about 876.3838812042.

The spelling of 673105507 in words is "six hundred seventy-three million, one hundred five thousand, five hundred seven".