672766 has 8 divisors (see below), whose sum is σ = 1013040. Its totient is φ = 335088.

The previous prime is 672757. The next prime is 672767. The reversal of 672766 is 667276.

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

It is a super-2 number, since 2×672766² = 905228181512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672767) by changing a digit.

672766 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250 + ... + 1186.

It is an arithmetic number, because the mean of its divisors is an integer number (126630).

2⁶⁷²⁷⁶⁶ is an apocalyptic number.

672766 is a deficient number, since it is larger than the sum of its proper divisors (340274).

672766 is a wasteful number, since it uses less digits than its factorization.

672766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298.

The product of its digits is 21168, while the sum is 34.

The square root of 672766 is about 820.2231403710. The cubic root of 672766 is about 87.6236510300.

The spelling of 672766 in words is "six hundred seventy-two thousand, seven hundred sixty-six".