732906720 has 864 divisors, whose sum is σ = 3388065408. Its totient is φ = 142442496.

The previous prime is 732906701. The next prime is 732906751. The reversal of 732906720 is 27609237.

732906720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×732906720³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 15593737 + ... + 15593783.

It is an arithmetic number, because the mean of its divisors is an integer number (3921372).

Almost surely, 2^732906720 is an apocalyptic number.

732906720 is a gapful number since it is divisible by the number (70) 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 732906720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1694032704).

732906720 is an abundant number, since it is smaller than the sum of its proper divisors (2655158688).

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

732906720 is a wasteful number, since it uses less digits than its factorization.

732906720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 732906720 is about 27072.2499988457. The cubic root of 732906720 is about 901.6048403223.

The spelling of 732906720 in words is "seven hundred thirty-two million, nine hundred six thousand, seven hundred twenty".