672578 has 8 divisors (see below), whose sum is σ = 1012368. Its totient is φ = 335124.

The previous prime is 672577. The next prime is 672587. The reversal of 672578 is 875276.

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

It is a super-3 number, since 3×672578³ = 912744505087333656, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (672577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 725 + ... + 1367.

It is an arithmetic number, because the mean of its divisors is an integer number (126546).

2⁶⁷²⁵⁷⁸ is an apocalyptic number.

672578 is a deficient number, since it is larger than the sum of its proper divisors (339790).

672578 is a wasteful number, since it uses less digits than its factorization.

672578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168.

The product of its digits is 23520, while the sum is 35.

The square root of 672578 is about 820.1085294033. The cubic root of 672578 is about 87.6154883201.

The spelling of 672578 in words is "six hundred seventy-two thousand, five hundred seventy-eight".