234725688 has 80 divisors (see below), whose sum is σ = 659934000. Its totient is φ = 77946624.

The previous prime is 234725683. The next prime is 234725713. The reversal of 234725688 is 886527432.

It is a super-2 number, since 2×234725688² = 110192297214146688, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234725683) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 232128 + ... + 233136.

It is an arithmetic number, because the mean of its divisors is an integer number (8249175).

Almost surely, 2^234725688 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 234725688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329967000).

234725688 is an abundant number, since it is smaller than the sum of its proper divisors (425208312).

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

234725688 is a wasteful number, since it uses less digits than its factorization.

234725688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386 (or 1373 counting only the distinct ones).

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

The square root of 234725688 is about 15320.7600333665. The cubic root of 234725688 is about 616.8603750194.

The spelling of 234725688 in words is "two hundred thirty-four million, seven hundred twenty-five thousand, six hundred eighty-eight".