733369728 has 256 divisors, whose sum is σ = 2478551040. Its totient is φ = 186900480.

The previous prime is 733369727. The next prime is 733369751. The reversal of 733369728 is 827963337.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (733369723) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1082926 + ... + 1083602.

It is an arithmetic number, because the mean of its divisors is an integer number (9681840).

Almost surely, 2^733369728 is an apocalyptic number.

733369728 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 733369728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1239275520).

733369728 is an abundant number, since it is smaller than the sum of its proper divisors (1745181312).

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

733369728 is a wasteful number, since it uses less digits than its factorization.

733369728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745 (or 733 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 48.

The square root of 733369728 is about 27080.7999881835. The cubic root of 733369728 is about 901.7946609212.

The spelling of 733369728 in words is "seven hundred thirty-three million, three hundred sixty-nine thousand, seven hundred twenty-eight".