673435534376 has 128 divisors (see below), whose sum is σ = 1424104416000. Its totient is φ = 295895040000.

The previous prime is 673435534357. The next prime is 673435534379.

673435534376 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (673435534379) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 244617416 + ... + 244620168.

It is an arithmetic number, because the mean of its divisors is an integer number (11125815750).

Almost surely, 2^673435534376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 673435534376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (712052208000).

673435534376 is an abundant number, since it is smaller than the sum of its proper divisors (750668881624).

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

673435534376 is a wasteful number, since it uses less digits than its factorization.

673435534376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3411 (or 3407 counting only the distinct ones).

The product of its digits is 57153600, while the sum is 56.

The spelling of 673435534376 in words is "six hundred seventy-three billion, four hundred thirty-five million, five hundred thirty-four thousand, three hundred seventy-six".