673973975 has 6 divisors (see below), whose sum is σ = 835727760. Its totient is φ = 539179160.

The previous prime is 673973969. The next prime is 673973983. The reversal of 673973975 is 579379376.

It is not a de Polignac number, because 673973975 - 2¹⁰ = 673972951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 673973975.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13479455 + ... + 13479504.

It is an arithmetic number, because the mean of its divisors is an integer number (139287960).

Almost surely, 2^673973975 is an apocalyptic number.

673973975 is a deficient number, since it is larger than the sum of its proper divisors (161753785).

673973975 is a wasteful number, since it uses less digits than its factorization.

673973975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26958969 (or 26958964 counting only the distinct ones).

The product of its digits is 7501410, while the sum is 56.

The square root of 673973975 is about 25961.0087438836. The cubic root of 673973975 is about 876.7606345483.

The spelling of 673973975 in words is "six hundred seventy-three million, nine hundred seventy-three thousand, nine hundred seventy-five".