673536236 has 6 divisors (see below), whose sum is σ = 1178688420. Its totient is φ = 336768116.

The previous prime is 673536211. The next prime is 673536239. The reversal of 673536236 is 632635376.

It is a super-2 number, since 2×673536236² = 907302122410095392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 673536193 and 673536202.

It is not an unprimeable number, because it can be changed into a prime (673536239) by changing a digit.

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 as a sum of consecutive naturals, namely, 84192026 + ... + 84192033.

It is an arithmetic number, because the mean of its divisors is an integer number (196448070).

Almost surely, 2^673536236 is an apocalyptic number.

It is an amenable number.

673536236 is a deficient number, since it is larger than the sum of its proper divisors (505152184).

673536236 is a wasteful number, since it uses less digits than its factorization.

673536236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168384063 (or 168384061 counting only the distinct ones).

The product of its digits is 408240, while the sum is 41.

The square root of 673536236 is about 25952.5766736176. The cubic root of 673536236 is about 876.5707778390.

The spelling of 673536236 in words is "six hundred seventy-three million, five hundred thirty-six thousand, two hundred thirty-six".