673140254305730 has 64 divisors (see below), whose sum is σ = 1266872326553088. Its totient is φ = 257032241157120.

The previous prime is 673140254305667. The next prime is 673140254305741. The reversal of 673140254305730 is 37503452041376.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 604250819 + ... + 605363801.

It is an arithmetic number, because the mean of its divisors is an integer number (19794880102392).

Almost surely, 2^{673140254305730} is an apocalyptic number.

673140254305730 is a deficient number, since it is larger than the sum of its proper divisors (593732072247358).

673140254305730 is a wasteful number, since it uses less digits than its factorization.

673140254305730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118291.

The product of its (nonzero) digits is 6350400, while the sum is 50.

The spelling of 673140254305730 in words is "six hundred seventy-three trillion, one hundred forty billion, two hundred fifty-four million, three hundred five thousand, seven hundred thirty".