732056720 has 80 divisors (see below), whose sum is σ = 1812138480. Its totient is φ = 274071552.

The previous prime is 732056711. The next prime is 732056747. The reversal of 732056720 is 27650237.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 29584 + 732027136 = 172^2 + 27056^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261086 + ... + 263874.

It is an arithmetic number, because the mean of its divisors is an integer number (22651731).

Almost surely, 2^732056720 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 732056720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (906069240).

732056720 is an abundant number, since it is smaller than the sum of its proper divisors (1080081760).

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

732056720 is a wasteful number, since it uses less digits than its factorization.

732056720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3012 (or 3006 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 732056720 is about 27056.5467123948. The cubic root of 732056720 is about 901.2561553978.

The spelling of 732056720 in words is "seven hundred thirty-two million, fifty-six thousand, seven hundred twenty".