660473 has 8 divisors (see below), whose sum is σ = 729120. Its totient is φ = 593280.

The previous prime is 660449. The next prime is 660493. The reversal of 660473 is 374066.

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

It is a cyclic number.

It is not a de Polignac number, because 660473 - 2⁶ = 660409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (660403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 758 + ... + 1376.

It is an arithmetic number, because the mean of its divisors is an integer number (91140).

2⁶⁶⁰⁴⁷³ is an apocalyptic number.

It is an amenable number.

660473 is a deficient number, since it is larger than the sum of its proper divisors (68647).

660473 is a wasteful number, since it uses less digits than its factorization.

660473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 660473 is about 812.6948997010. The cubic root of 660473 is about 87.0866710156.

The spelling of 660473 in words is "six hundred sixty thousand, four hundred seventy-three".