672832 has 14 divisors (see below), whose sum is σ = 1335278. Its totient is φ = 336384.

The previous prime is 672827. The next prime is 672863. The reversal of 672832 is 238276.

It can be written as a sum of positive squares in only one way, i.e., 341056 + 331776 = 584^2 + 576^2 .

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 672832.

It is an unprimeable number.

672832 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5193 + ... + 5320.

It is an arithmetic number, because the mean of its divisors is an integer number (95377).

2⁶⁷²⁸³² is an apocalyptic number.

It is an amenable number.

672832 is a deficient number, since it is larger than the sum of its proper divisors (662446).

672832 is a wasteful number, since it uses less digits than its factorization.

672832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10525 (or 10515 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 672832 is about 820.2633723384. The cubic root of 672832 is about 87.6265163016.

It can be divided in two parts, 6728 and 32, that multiplied together give a square (215296 = 464²).

The spelling of 672832 in words is "six hundred seventy-two thousand, eight hundred thirty-two".