718772432 has 80 divisors (see below), whose sum is σ = 1707212160. Its totient is φ = 286281216.

The previous prime is 718772407. The next prime is 718772437. The reversal of 718772432 is 234277817.

718772432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 718772432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (718772437) 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, 109598 + ... + 115970.

It is an arithmetic number, because the mean of its divisors is an integer number (21340152).

Almost surely, 2^718772432 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 718772432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (853606080).

718772432 is an abundant number, since it is smaller than the sum of its proper divisors (988439728).

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

718772432 is a wasteful number, since it uses less digits than its factorization.

718772432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6460 (or 6454 counting only the distinct ones).

The product of its digits is 131712, while the sum is 41.

The square root of 718772432 is about 26809.9315926020. The cubic root of 718772432 is about 895.7712864895.

The spelling of 718772432 in words is "seven hundred eighteen million, seven hundred seventy-two thousand, four hundred thirty-two".