673278 has 8 divisors (see below), whose sum is σ = 1346568. Its totient is φ = 224424.

The previous prime is 673273. The next prime is 673291. The reversal of 673278 is 872376.

It is a sphenic number, since it is the product of 3 distinct primes.

673278 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56101 + ... + 56112.

It is an arithmetic number, because the mean of its divisors is an integer number (168321).

2⁶⁷³²⁷⁸ is an apocalyptic number.

673278 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

673278 is a wasteful number, since it uses less digits than its factorization.

673278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112218.

The product of its digits is 14112, while the sum is 33.

The square root of 673278 is about 820.5351912014. The cubic root of 673278 is about 87.6458736816.

The spelling of 673278 in words is "six hundred seventy-three thousand, two hundred seventy-eight".