720285750 has 128 divisors (see below), whose sum is σ = 2115434880. Its totient is φ = 180748800.

The previous prime is 720285737. The next prime is 720285757. The reversal of 720285750 is 57582027.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720285757) 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, 111612 + ... + 117888.

It is an arithmetic number, because the mean of its divisors is an integer number (16526835).

Almost surely, 2^720285750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 720285750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1057717440).

720285750 is an abundant number, since it is smaller than the sum of its proper divisors (1395149130).

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

720285750 is a wasteful number, since it uses less digits than its factorization.

720285750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6320 (or 6304 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The square root of 720285750 is about 26838.1398386699. The cubic root of 720285750 is about 896.3995041296.

The spelling of 720285750 in words is "seven hundred twenty million, two hundred eighty-five thousand, seven hundred fifty".