83235740 has 96 divisors (see below), whose sum is σ = 216929664. Its totient is φ = 26173440.

The previous prime is 83235739. The next prime is 83235749. The reversal of 83235740 is 4753238.

It is a happy number.

It is a super-3 number, since 3×83235740³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 83235697 and 83235706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83235749) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97154 + ... + 98006.

It is an arithmetic number, because the mean of its divisors is an integer number (2259684).

Almost surely, 2^83235740 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 83235740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108464832).

83235740 is an abundant number, since it is smaller than the sum of its proper divisors (133693924).

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

83235740 is a wasteful number, since it uses less digits than its factorization.

83235740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927 (or 925 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 83235740 is about 9123.3623187945. The cubic root of 83235740 is about 436.6196545028.

Adding to 83235740 its reverse (4753238), we get a palindrome (87988978).

The spelling of 83235740 in words is "eighty-three million, two hundred thirty-five thousand, seven hundred forty".