672308 has 24 divisors (see below), whose sum is σ = 1448832. Its totient is φ = 265824.

The previous prime is 672293. The next prime is 672311. The reversal of 672308 is 803276.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 560 + ... + 1287.

It is an arithmetic number, because the mean of its divisors is an integer number (60368).

2⁶⁷²³⁰⁸ is an apocalyptic number.

It is an amenable number.

672308 is an abundant number, since it is smaller than the sum of its proper divisors (776524).

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

672308 is a wasteful number, since it uses less digits than its factorization.

672308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1871 (or 1869 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 672308 is about 819.9439005200. The cubic root of 672308 is about 87.6037626179.

The spelling of 672308 in words is "six hundred seventy-two thousand, three hundred eight".