720582720 has 448 divisors, whose sum is σ = 2795869440. Its totient is φ = 154828800.

The previous prime is 720582713. The next prime is 720582769. The reversal of 720582720 is 27285027.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3981030 + ... + 3981210.

It is an arithmetic number, because the mean of its divisors is an integer number (6240780).

Almost surely, 2^720582720 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 720582720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1397934720).

720582720 is an abundant number, since it is smaller than the sum of its proper divisors (2075286720).

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

720582720 is a wasteful number, since it uses less digits than its factorization.

720582720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 720582720 is about 26843.6718799795. The cubic root of 720582720 is about 896.5226807921.

The spelling of 720582720 in words is "seven hundred twenty million, five hundred eighty-two thousand, seven hundred twenty".