672782 has 16 divisors (see below), whose sum is σ = 1123632. Its totient is φ = 299520.

The previous prime is 672781. The next prime is 672787. The reversal of 672782 is 287276.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672781) 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 7 ways as a sum of consecutive naturals, for example, 878 + ... + 1454.

It is an arithmetic number, because the mean of its divisors is an integer number (70227).

2⁶⁷²⁷⁸² is an apocalyptic number.

672782 is a deficient number, since it is larger than the sum of its proper divisors (450850).

672782 is a wasteful number, since it uses less digits than its factorization.

672782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643.

The product of its digits is 9408, while the sum is 32.

The square root of 672782 is about 820.2328937564. The cubic root of 672782 is about 87.6243456585.

The spelling of 672782 in words is "six hundred seventy-two thousand, seven hundred eighty-two".