82371402 has 48 divisors (see below), whose sum is σ = 188567808. Its totient is φ = 25945920.

The previous prime is 82371391. The next prime is 82371407. The reversal of 82371402 is 20417328.

It is not an unprimeable number, because it can be changed into a prime (82371407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22278 + ... + 25710.

It is an arithmetic number, because the mean of its divisors is an integer number (3928496).

Almost surely, 2^82371402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82371402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94283904).

82371402 is an abundant number, since it is smaller than the sum of its proper divisors (106196406).

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

82371402 is a wasteful number, since it uses less digits than its factorization.

82371402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3515 (or 3512 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 82371402 is about 9075.8692145711. The cubic root of 82371402 is about 435.1030750587.

The spelling of 82371402 in words is "eighty-two million, three hundred seventy-one thousand, four hundred two".