720801032 has 64 divisors (see below), whose sum is σ = 1616112000. Its totient is φ = 294852096.

The previous prime is 720801031. The next prime is 720801049. The reversal of 720801032 is 230108027.

It is a junction number, because it is equal to n+sod(n) for n = 720800989 and 720801007.

It is not an unprimeable number, because it can be changed into a prime (720801031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142043 + ... + 147029.

It is an arithmetic number, because the mean of its divisors is an integer number (25251750).

Almost surely, 2^720801032 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 720801032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (808056000).

720801032 is an abundant number, since it is smaller than the sum of its proper divisors (895310968).

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

720801032 is a wasteful number, since it uses less digits than its factorization.

720801032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5118 (or 5114 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 720801032 is about 26847.7379307829. The cubic root of 720801032 is about 896.6132102538.

Adding to 720801032 its reverse (230108027), we get a palindrome (950909059).

The spelling of 720801032 in words is "seven hundred twenty million, eight hundred one thousand, thirty-two".