673447313280 has 1536 divisors, whose sum is σ = 2796971212800. Its totient is φ = 137219604480.

The previous prime is 673447313251. The next prime is 673447313347. The reversal of 673447313280 is 82313744376.

It is a happy number.

673447313280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 14328666217 + ... + 14328666263.

It is an arithmetic number, because the mean of its divisors is an integer number (1820944800).

Almost surely, 2^673447313280 is an apocalyptic number.

673447313280 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 673447313280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1398485606400).

673447313280 is an abundant number, since it is smaller than the sum of its proper divisors (2123523899520).

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

673447313280 is a wasteful number, since it uses less digits than its factorization.

673447313280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 48.

The spelling of 673447313280 in words is "six hundred seventy-three billion, four hundred forty-seven million, three hundred thirteen thousand, two hundred eighty".