733022720 has 80 divisors (see below), whose sum is σ = 1798679520. Its totient is φ = 286347264.

The previous prime is 733022713. The next prime is 733022737. The reversal of 733022720 is 27220337.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 733022720.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106751 + ... + 113409.

It is an arithmetic number, because the mean of its divisors is an integer number (22483494).

Almost surely, 2^733022720 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 733022720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (899339760).

733022720 is an abundant number, since it is smaller than the sum of its proper divisors (1065656800).

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

733022720 is an equidigital number, since it uses as much as digits as its factorization.

733022720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6725 (or 6709 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 26.

The square root of 733022720 is about 27074.3923292841. The cubic root of 733022720 is about 901.6524046490.

The spelling of 733022720 in words is "seven hundred thirty-three million, twenty-two thousand, seven hundred twenty".