720794850 has 96 divisors (see below), whose sum is σ = 1820645376. Its totient is φ = 188697600.

The previous prime is 720794819. The next prime is 720794869. The reversal of 720794850 is 58497027.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2990730 + ... + 2990970.

It is an arithmetic number, because the mean of its divisors is an integer number (18965056).

Almost surely, 2^720794850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 720794850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (910322688).

720794850 is an abundant number, since it is smaller than the sum of its proper divisors (1099850526).

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

720794850 is a wasteful number, since it uses less digits than its factorization.

720794850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540 (or 535 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 720794850 is about 26847.6227997937. The cubic root of 720794850 is about 896.6106469580.

The spelling of 720794850 in words is "seven hundred twenty million, seven hundred ninety-four thousand, eight hundred fifty".