673354078782 has 192 divisors, whose sum is σ = 1739326417920. Its totient is φ = 169987023360.

The previous prime is 673354078781. The next prime is 673354078799. The reversal of 673354078782 is 287870453376.

673354078782 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673354078781) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 293143858 + ... + 293146154.

It is an arithmetic number, because the mean of its divisors is an integer number (9058991760).

Almost surely, 2^673354078782 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 673354078782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (869663208960).

673354078782 is an abundant number, since it is smaller than the sum of its proper divisors (1065972339138).

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

673354078782 is a wasteful number, since it uses less digits than its factorization.

673354078782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3927 (or 3916 counting only the distinct ones).

The product of its (nonzero) digits is 47416320, while the sum is 60.

The spelling of 673354078782 in words is "six hundred seventy-three billion, three hundred fifty-four million, seventy-eight thousand, seven hundred eighty-two".