82971702 has 80 divisors (see below), whose sum is σ = 205272144. Its totient is φ = 24840000.

The previous prime is 82971701. The next prime is 82971709. The reversal of 82971702 is 20717928.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82971701) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 179752 + ... + 180212.

Almost surely, 2^82971702 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82971702, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102636072).

82971702 is an abundant number, since it is smaller than the sum of its proper divisors (122300442).

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

82971702 is a wasteful number, since it uses less digits than its factorization.

82971702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587 (or 578 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 82971702 is about 9108.8803922326. The cubic root of 82971702 is about 436.1574880664.

It can be divided in two parts, 8297 and 1702, that added together give a palindrome (9999).

The spelling of 82971702 in words is "eighty-two million, nine hundred seventy-one thousand, seven hundred two".