673736740373 has 8 divisors (see below), whose sum is σ = 677520488736. Its totient is φ = 669953667600.

The previous prime is 673736740349. The next prime is 673736740393. The reversal of 673736740373 is 373047637376.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 673736740373 - 2¹⁰ = 673736739349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673736740393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1902290 + ... + 2228492.

It is an arithmetic number, because the mean of its divisors is an integer number (84690061092).

Almost surely, 2^673736740373 is an apocalyptic number.

It is an amenable number.

673736740373 is a deficient number, since it is larger than the sum of its proper divisors (3783748363).

673736740373 is a wasteful number, since it uses less digits than its factorization.

673736740373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337795.

The product of its (nonzero) digits is 28005264, while the sum is 56.

The spelling of 673736740373 in words is "six hundred seventy-three billion, seven hundred thirty-six million, seven hundred forty thousand, three hundred seventy-three".