720432064 has 84 divisors (see below), whose sum is σ = 1622617024. Its totient is φ = 316800000.

The previous prime is 720432043. The next prime is 720432107. The reversal of 720432064 is 460234027.

720432064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 238564 + ... + 241564.

Almost surely, 2^720432064 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 720432064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (811308512).

720432064 is an abundant number, since it is smaller than the sum of its proper divisors (902184960).

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

720432064 is a wasteful number, since it uses less digits than its factorization.

720432064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3066 (or 3045 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 720432064 is about 26840.8655598138. The cubic root of 720432064 is about 896.4601962079.

The spelling of 720432064 in words is "seven hundred twenty million, four hundred thirty-two thousand, sixty-four".