673578 has 24 divisors (see below), whose sum is σ = 1523808. Its totient is φ = 214632.

The previous prime is 673573. The next prime is 673579. The reversal of 673578 is 875376.

It is not an unprimeable number, because it can be changed into a prime (673573) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 400 + ... + 1227.

It is an arithmetic number, because the mean of its divisors is an integer number (63492).

2⁶⁷³⁵⁷⁸ is an apocalyptic number.

673578 is an abundant number, since it is smaller than the sum of its proper divisors (850230).

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

673578 is a wasteful number, since it uses less digits than its factorization.

673578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1658 (or 1655 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 673578 is about 820.7179783580. The cubic root of 673578 is about 87.6588895323.

The spelling of 673578 in words is "six hundred seventy-three thousand, five hundred seventy-eight".