720928248 has 128 divisors (see below), whose sum is σ = 2029017600. Its totient is φ = 212115456.

The previous prime is 720928237. The next prime is 720928259. The reversal of 720928248 is 842829027.

It is an interprime number because it is at equal distance from previous prime (720928237) and next prime (720928259).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 875565 + ... + 876387.

It is an arithmetic number, because the mean of its divisors is an integer number (15851700).

Almost surely, 2^720928248 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 720928248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1014508800).

720928248 is an abundant number, since it is smaller than the sum of its proper divisors (1308089352).

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

720928248 is a wasteful number, since it uses less digits than its factorization.

720928248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981 (or 977 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 720928248 is about 26850.1070388928. The cubic root of 720928248 is about 896.6659556631.

The spelling of 720928248 in words is "seven hundred twenty million, nine hundred twenty-eight thousand, two hundred forty-eight".