673725772796 has 6 divisors (see below), whose sum is σ = 1179020102400. Its totient is φ = 336862886396.

The previous prime is 673725772789. The next prime is 673725772799. The reversal of 673725772796 is 697277527376.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673725772799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84215721596 + ... + 84215721603.

It is an arithmetic number, because the mean of its divisors is an integer number (196503350400).

Almost surely, 2^673725772796 is an apocalyptic number.

It is an amenable number.

673725772796 is a deficient number, since it is larger than the sum of its proper divisors (505294329604).

673725772796 is a wasteful number, since it uses less digits than its factorization.

673725772796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168431443203 (or 168431443201 counting only the distinct ones).

The product of its digits is 326728080, while the sum is 68.

Adding to 673725772796 its sum of digits (68), we get a square (673725772864 = 820808²).

The spelling of 673725772796 in words is "six hundred seventy-three billion, seven hundred twenty-five million, seven hundred seventy-two thousand, seven hundred ninety-six".