733628 has 36 divisors (see below), whose sum is σ = 1580040. Its totient is φ = 296352.

The previous prime is 733619. The next prime is 733639. The reversal of 733628 is 826337.

It is a self number, because there is not a number n which added to its sum of digits gives 733628.

It is a congruent number.

It is an unprimeable number.

733628 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 11 ways as a sum of consecutive naturals, for example, 3626 + ... + 3822.

It is an arithmetic number, because the mean of its divisors is an integer number (43890).

2⁷³³⁶²⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 733628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (790020).

733628 is an abundant number, since it is smaller than the sum of its proper divisors (846412).

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

733628 is a wasteful number, since it uses less digits than its factorization.

733628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 225 counting only the distinct ones).

The product of its digits is 6048, while the sum is 29.

The square root of 733628 is about 856.5208695648. The cubic root of 733628 is about 90.1900510657.

The spelling of 733628 in words is "seven hundred thirty-three thousand, six hundred twenty-eight".