757668 has 24 divisors (see below), whose sum is σ = 1787968. Its totient is φ = 249696.

The previous prime is 757661. The next prime is 757693. The reversal of 757668 is 866757.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (757661) by changing a digit.

757668 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 930 + ... + 1542.

2⁷⁵⁷⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

757668 is an abundant number, since it is smaller than the sum of its proper divisors (1030300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

757668 is a wasteful number, since it uses less digits than its factorization.

757668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723 (or 721 counting only the distinct ones).

The product of its digits is 70560, while the sum is 39.

The square root of 757668 is about 870.4412674041. The cubic root of 757668 is about 91.1646176998.

It can be divided in two parts, 7 and 57668, that added together give a palindrome (57675).

The spelling of 757668 in words is "seven hundred fifty-seven thousand, six hundred sixty-eight".