673295636 has 12 divisors (see below), whose sum is σ = 1268903412. Its totient is φ = 310751808.

The previous prime is 673295621. The next prime is 673295657. The reversal of 673295636 is 636592376.

It can be written as a sum of positive squares in 2 ways, for example, as 168844036 + 504451600 = 12994^2 + 22460^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6473945 + ... + 6474048.

It is an arithmetic number, because the mean of its divisors is an integer number (105741951).

Almost surely, 2^673295636 is an apocalyptic number.

It is an amenable number.

673295636 is a deficient number, since it is larger than the sum of its proper divisors (595607776).

673295636 is a wasteful number, since it uses less digits than its factorization.

673295636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12948010 (or 12948008 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 47.

The square root of 673295636 is about 25947.9408816962. The cubic root of 673295636 is about 876.4663894702.

The spelling of 673295636 in words is "six hundred seventy-three million, two hundred ninety-five thousand, six hundred thirty-six".