673776 has 30 divisors (see below), whose sum is σ = 1886040. Its totient is φ = 224544.

The previous prime is 673769. The next prime is 673781. The reversal of 673776 is 677376.

673776 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 (36).

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 673776.

It is a congruent number.

It is an unprimeable number.

673776 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2196 + ... + 2483.

It is an arithmetic number, because the mean of its divisors is an integer number (62868).

2⁶⁷³⁷⁷⁶ is an apocalyptic number.

It is an amenable number.

673776 is an abundant number, since it is smaller than the sum of its proper divisors (1212264).

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

673776 is a wasteful number, since it uses less digits than its factorization.

673776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4693 (or 4684 counting only the distinct ones).

The product of its digits is 37044, while the sum is 36.

The square root of 673776 is about 820.8385955838. The cubic root of 673776 is about 87.6674778768.

Subtracting 673776 from its reverse (677376), we obtain a square (3600 = 60²).

The spelling of 673776 in words is "six hundred seventy-three thousand, seven hundred seventy-six".