673565376 has 168 divisors, whose sum is σ = 1989084160. Its totient is φ = 200977920.

The previous prime is 673565369. The next prime is 673565411.

673565376 is nontrivially palindromic in base 10.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1835145 + ... + 1835511.

Almost surely, 2^673565376 is an apocalyptic number.

673565376 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 673565376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (994542080).

673565376 is an abundant number, since it is smaller than the sum of its proper divisors (1315518784).

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

673565376 is a wasteful number, since it uses less digits than its factorization.

673565376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483 (or 462 counting only the distinct ones).

The product of its digits is 2381400, while the sum is 48.

The square root of 673565376 is about 25953.1380761556. The cubic root of 673565376 is about 876.5834190317.

The spelling of 673565376 in words is "six hundred seventy-three million, five hundred sixty-five thousand, three hundred seventy-six".