673772507 has 16 divisors (see below), whose sum is σ = 709862400. Its totient is φ = 638663520.

The previous prime is 673772501. The next prime is 673772513. The reversal of 673772507 is 705277376.

It is an interprime number because it is at equal distance from previous prime (673772501) and next prime (673772513).

It is a cyclic number.

It is not a de Polignac number, because 673772507 - 2⁶ = 673772443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (673772501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 711008 + ... + 711954.

It is an arithmetic number, because the mean of its divisors is an integer number (44366400).

Almost surely, 2^673772507 is an apocalyptic number.

673772507 is a deficient number, since it is larger than the sum of its proper divisors (36089893).

673772507 is a wasteful number, since it uses less digits than its factorization.

673772507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426.

The product of its (nonzero) digits is 432180, while the sum is 44.

The square root of 673772507 is about 25957.1282502514. The cubic root of 673772507 is about 876.6732638081.

The spelling of 673772507 in words is "six hundred seventy-three million, seven hundred seventy-two thousand, five hundred seven".