232745688 has 144 divisors (see below), whose sum is σ = 753508080. Its totient is φ = 64665216.

The previous prime is 232745663. The next prime is 232745693. The reversal of 232745688 is 886547232.

232745688 is digitally balanced in base 3, 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 35 ways as a sum of consecutive naturals, for example, 129645 + ... + 131427.

It is an arithmetic number, because the mean of its divisors is an integer number (5232695).

Almost surely, 2^232745688 is an apocalyptic number.

232745688 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 232745688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (376754040).

232745688 is an abundant number, since it is smaller than the sum of its proper divisors (520762392).

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

232745688 is a wasteful number, since it uses less digits than its factorization.

232745688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1846 (or 1832 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 232745688 is about 15256.0049816458. The cubic root of 232745688 is about 615.1209914640.

The spelling of 232745688 in words is "two hundred thirty-two million, seven hundred forty-five thousand, six hundred eighty-eight".