673926629376 has 384 divisors, whose sum is σ = 2412373017600. Its totient is φ = 161579335680.

The previous prime is 673926629357. The next prime is 673926629413.

673926629376 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-2 number, since 2×673926629376² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6095355 + ... + 6204933.

It is an arithmetic number, because the mean of its divisors is an integer number (6282221400).

Almost surely, 2^673926629376 is an apocalyptic number.

673926629376 is a gapful number since it is divisible by the number (66) 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 673926629376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1206186508800).

673926629376 is an abundant number, since it is smaller than the sum of its proper divisors (1738446388224).

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

673926629376 is a wasteful number, since it uses less digits than its factorization.

673926629376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109635 (or 109615 counting only the distinct ones).

The product of its digits is 185177664, while the sum is 66.

The spelling of 673926629376 in words is "six hundred seventy-three billion, nine hundred twenty-six million, six hundred twenty-nine thousand, three hundred seventy-six".