753668 has 6 divisors (see below), whose sum is σ = 1318926. Its totient is φ = 376832.

The previous prime is 753659. The next prime is 753677. The reversal of 753668 is 866357.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (753659) and next prime (753677).

It can be written as a sum of positive squares in only one way, i.e., 515524 + 238144 = 718^2 + 488^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94205 + ... + 94212.

It is an arithmetic number, because the mean of its divisors is an integer number (219821).

2⁷⁵³⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

753668 is a deficient number, since it is larger than the sum of its proper divisors (565258).

753668 is a wasteful number, since it uses less digits than its factorization.

753668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188421 (or 188419 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 753668 is about 868.1405416175. The cubic root of 753668 is about 91.0039043529.

The spelling of 753668 in words is "seven hundred fifty-three thousand, six hundred sixty-eight".