673940605 has 32 divisors (see below), whose sum is σ = 936036864. Its totient is φ = 461362176.

The previous prime is 673940593. The next prime is 673940611. The reversal of 673940605 is 506049376.

It is a cyclic number.

It is not a de Polignac number, because 673940605 - 2⁵ = 673940573 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69484 + ... + 78586.

It is an arithmetic number, because the mean of its divisors is an integer number (29251152).

Almost surely, 2^673940605 is an apocalyptic number.

673940605 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

673940605 is a deficient number, since it is larger than the sum of its proper divisors (262096259).

673940605 is a wasteful number, since it uses less digits than its factorization.

673940605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9205.

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 673940605 is about 25960.3660413331. The cubic root of 673940605 is about 876.7461641650.

The spelling of 673940605 in words is "six hundred seventy-three million, nine hundred forty thousand, six hundred five".