720167232 has 56 divisors (see below), whose sum is σ = 1909486656. Its totient is φ = 239546368.

The previous prime is 720167221. The next prime is 720167267. The reversal of 720167232 is 232761027.

It is a self number, because there is not a number n which added to its sum of digits gives 720167232.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92848 + ... + 100304.

It is an arithmetic number, because the mean of its divisors is an integer number (34097976).

Almost surely, 2^720167232 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 720167232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (954743328).

720167232 is an abundant number, since it is smaller than the sum of its proper divisors (1189319424).

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

720167232 is a wasteful number, since it uses less digits than its factorization.

720167232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7975 (or 7965 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 720167232 is about 26835.9317334055. The cubic root of 720167232 is about 896.3503360025.

The spelling of 720167232 in words is "seven hundred twenty million, one hundred sixty-seven thousand, two hundred thirty-two".