732528720 has 480 divisors, whose sum is σ = 3126299904. Its totient is φ = 149299200.

The previous prime is 732528677. The next prime is 732528721. The reversal of 732528720 is 27825237.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (732528721) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 4047030 + ... + 4047210.

Almost surely, 2^732528720 is an apocalyptic number.

732528720 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 732528720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1563149952).

732528720 is an abundant number, since it is smaller than the sum of its proper divisors (2393771184).

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

732528720 is a wasteful number, since it uses less digits than its factorization.

732528720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 732528720 is about 27065.2677799426. The cubic root of 732528720 is about 901.4498113907.

The spelling of 732528720 in words is "seven hundred thirty-two million, five hundred twenty-eight thousand, seven hundred twenty".