673941260322 has 144 divisors (see below), whose sum is σ = 1617602922936. Its totient is φ = 202629504000.

The previous prime is 673941260219. The next prime is 673941260329. The reversal of 673941260322 is 223062149376.

673941260322 is a `hidden beast` number, since 6 + 7 + 3 + 9 + 4 + 12 + 603 + 22 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 552433941081 + 121507319241 = 743259^2 + 348579^2 .

It is not an unprimeable number, because it can be changed into a prime (673941260329) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 172053508 + ... + 172057424.

Almost surely, 2^673941260322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 673941260322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (808801461468).

673941260322 is an abundant number, since it is smaller than the sum of its proper divisors (943661662614).

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

673941260322 is a wasteful number, since it uses less digits than its factorization.

673941260322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4545 (or 4531 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The spelling of 673941260322 in words is "six hundred seventy-three billion, nine hundred forty-one million, two hundred sixty thousand, three hundred twenty-two".