83251730 has 32 divisors (see below), whose sum is σ = 161602560. Its totient is φ = 30775680.

The previous prime is 83251699. The next prime is 83251747. The reversal of 83251730 is 3715238.

It is a junction number, because it is equal to n+sod(n) for n = 83251693 and 83251702.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2447 + ... + 13133.

It is an arithmetic number, because the mean of its divisors is an integer number (5050080).

Almost surely, 2^83251730 is an apocalyptic number.

83251730 is a deficient number, since it is larger than the sum of its proper divisors (78350830).

83251730 is a wasteful number, since it uses less digits than its factorization.

83251730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10754.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 83251730 is about 9124.2385983708. The cubic root of 83251730 is about 436.6476116490.

Adding to 83251730 its reverse (3715238), we get a palindrome (86966968).

The spelling of 83251730 in words is "eighty-three million, two hundred fifty-one thousand, seven hundred thirty".