712667 has 4 divisors (see below), whose sum is σ = 717600. Its totient is φ = 707736.

The previous prime is 712651. The next prime is 712669. The reversal of 712667 is 766217.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 712667 - 2⁴ = 712651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (712669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2243 + ... + 2540.

It is an arithmetic number, because the mean of its divisors is an integer number (179400).

2⁷¹²⁶⁶⁷ is an apocalyptic number.

712667 is a deficient number, since it is larger than the sum of its proper divisors (4933).

712667 is a wasteful number, since it uses less digits than its factorization.

712667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4932.

The product of its digits is 3528, while the sum is 29.

The square root of 712667 is about 844.1960672735. The cubic root of 712667 is about 89.3227769636.

The spelling of 712667 in words is "seven hundred twelve thousand, six hundred sixty-seven".