733668 has 24 divisors (see below), whose sum is σ = 1843968. Its totient is φ = 225696.

The previous prime is 733651. The next prime is 733687. The reversal of 733668 is 866337.

It is a happy number.

733668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

733668 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2196 + ... + 2507.

It is an arithmetic number, because the mean of its divisors is an integer number (76832).

2⁷³³⁶⁶⁸ is an apocalyptic number.

733668 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

733668 is an abundant number, since it is smaller than the sum of its proper divisors (1110300).

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

733668 is a wasteful number, since it uses less digits than its factorization.

733668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4723 (or 4721 counting only the distinct ones).

The product of its digits is 18144, while the sum is 33.

The square root of 733668 is about 856.5442195240. The cubic root of 733668 is about 90.1916901963.

It can be divided in two parts, 73 and 3668, that added together give a triangular number (3741 = T₈₆).

The spelling of 733668 in words is "seven hundred thirty-three thousand, six hundred sixty-eight".