754668 has 18 divisors (see below), whose sum is σ = 1907724. Its totient is φ = 251544.

The previous prime is 754651. The next prime is 754703. The reversal of 754668 is 866457.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 20963 = 754668 / (7 + 5 + 4 + 6 + 6 + 8).

It is an unprimeable 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 5 ways as a sum of consecutive naturals, for example, 10446 + ... + 10517.

2⁷⁵⁴⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

754668 is an abundant number, since it is smaller than the sum of its proper divisors (1153056).

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

754668 is a wasteful number, since it uses less digits than its factorization.

754668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20973 (or 20968 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 754668 is about 868.7162943102. The cubic root of 754668 is about 91.0441358981.

The spelling of 754668 in words is "seven hundred fifty-four thousand, six hundred sixty-eight".