673346680074 has 36 divisors (see below), whose sum is σ = 1493635232466. Its totient is φ = 219229140816.

The previous prime is 673346680051. The next prime is 673346680079. The reversal of 673346680074 is 470086643376.

It is a happy number.

673346680074 is a `hidden beast` number, since 6 + 7 + 33 + 466 + 80 + 0 + 74 = 666.

673346680074 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 582616203849 + 90730476225 = 763293^2 + 301215^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 673346680074.

It is not an unprimeable number, because it can be changed into a prime (673346680079) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 10082497 + ... + 10149060.

Almost surely, 2^673346680074 is an apocalyptic number.

673346680074 is an abundant number, since it is smaller than the sum of its proper divisors (820288552392).

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

673346680074 is a wasteful number, since it uses less digits than its factorization.

673346680074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20231651 (or 20231605 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 54.

The spelling of 673346680074 in words is "six hundred seventy-three billion, three hundred forty-six million, six hundred eighty thousand, seventy-four".