713666 has 8 divisors (see below), whose sum is σ = 1081404. Its totient is φ = 353200.

The previous prime is 713663. The next prime is 713681. The reversal of 713666 is 666317.

It is a happy number.

713666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 570025 + 143641 = 755^2 + 379^2 .

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 713666.

It is not an unprimeable number, because it can be changed into a prime (713663) 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, 1565 + ... + 1968.

2⁷¹³⁶⁶⁶ is an apocalyptic number.

713666 is a deficient number, since it is larger than the sum of its proper divisors (367738).

713666 is a wasteful number, since it uses less digits than its factorization.

713666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3636.

The product of its digits is 4536, while the sum is 29.

The square root of 713666 is about 844.7875472567. The cubic root of 713666 is about 89.3644943395.

The spelling of 713666 in words is "seven hundred thirteen thousand, six hundred sixty-six".