673733566900 has 36 divisors (see below), whose sum is σ = 1470079237900. Its totient is φ = 268004505600.

The previous prime is 673733566897. The next prime is 673733566949. The reversal of 673733566900 is 9665337376.

It can be written as a sum of positive squares in 6 ways, for example, as 339735105424 + 333998461476 = 582868^2 + 577926^2 .

It is a super-2 number, since 2×673733566900² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18593325 + ... + 18629524.

Almost surely, 2^673733566900 is an apocalyptic number.

It is an amenable number.

673733566900 is an abundant number, since it is smaller than the sum of its proper divisors (796345671000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

673733566900 is a wasteful number, since it uses less digits than its factorization.

673733566900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37223044 (or 37223037 counting only the distinct ones).

The product of its (nonzero) digits is 12859560, while the sum is 55.

The spelling of 673733566900 in words is "six hundred seventy-three billion, seven hundred thirty-three million, five hundred sixty-six thousand, nine hundred".