720052256 has 144 divisors (see below), whose sum is σ = 1820206080. Its totient is φ = 277240320.

The previous prime is 720052241. The next prime is 720052261. The reversal of 720052256 is 652250027.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1879841 + ... + 1880223.

It is an arithmetic number, because the mean of its divisors is an integer number (12640320).

Almost surely, 2^720052256 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 720052256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (910103040).

720052256 is an abundant number, since it is smaller than the sum of its proper divisors (1100153824).

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

720052256 is a wasteful number, since it uses less digits than its factorization.

720052256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527 (or 512 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 720052256 is about 26833.7894453989. The cubic root of 720052256 is about 896.3026321467.

The spelling of 720052256 in words is "seven hundred twenty million, fifty-two thousand, two hundred fifty-six".