720061056 has 512 divisors, whose sum is σ = 2632089600. Its totient is φ = 190771200.

The previous prime is 720061051. The next prime is 720061057. The reversal of 720061056 is 650160027.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720061051) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15320425 + ... + 15320471.

It is an arithmetic number, because the mean of its divisors is an integer number (5140800).

Almost surely, 2^720061056 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 720061056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1316044800).

720061056 is an abundant number, since it is smaller than the sum of its proper divisors (1912028544).

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

720061056 is a wasteful number, since it uses less digits than its factorization.

720061056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 720061056 is about 26833.9534172660. The cubic root of 720061056 is about 896.3062834702.

The spelling of 720061056 in words is "seven hundred twenty million, sixty-one thousand, fifty-six".