232257740 has 144 divisors (see below), whose sum is σ = 610866144. Its totient is φ = 73113600.

The previous prime is 232257733. The next prime is 232257763. The reversal of 232257740 is 47752232.

232257740 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 232257697 and 232257706.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 826400 + ... + 826680.

It is an arithmetic number, because the mean of its divisors is an integer number (4242126).

Almost surely, 2^232257740 is an apocalyptic number.

232257740 is a gapful number since it is divisible by the number (20) 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 232257740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305433072).

232257740 is an abundant number, since it is smaller than the sum of its proper divisors (378608404).

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

232257740 is a wasteful number, since it uses less digits than its factorization.

232257740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348 (or 329 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 232257740 is about 15240.0045931752. The cubic root of 232257740 is about 614.6908265973.

The spelling of 232257740 in words is "two hundred thirty-two million, two hundred fifty-seven thousand, seven hundred forty".