667753 has 2 divisors, whose sum is σ = 667754. Its totient is φ = 667752.

The previous prime is 667741. The next prime is 667769. The reversal of 667753 is 357766.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 514089 + 153664 = 717^2 + 392^2 .

It is a cyclic number.

It is not a de Polignac number, because 667753 - 2⁹ = 667241 is a prime.

667753 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (667553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333876 + 333877.

It is an arithmetic number, because the mean of its divisors is an integer number (333877).

2⁶⁶⁷⁷⁵³ is an apocalyptic number.

It is an amenable number.

667753 is a deficient number, since it is larger than the sum of its proper divisors (1).

667753 is an equidigital number, since it uses as much as digits as its factorization.

667753 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26460, while the sum is 34.

The square root of 667753 is about 817.1615507352. The cubic root of 667753 is about 87.4054707026.

The spelling of 667753 in words is "six hundred sixty-seven thousand, seven hundred fifty-three".