82378374 has 48 divisors (see below), whose sum is σ = 180010512. Its totient is φ = 25119744.

The previous prime is 82378369. The next prime is 82378381. The reversal of 82378374 is 47387328.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138622 + ... + 139214.

It is an arithmetic number, because the mean of its divisors is an integer number (3750219).

Almost surely, 2^82378374 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82378374, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90005256).

82378374 is an abundant number, since it is smaller than the sum of its proper divisors (97632138).

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

82378374 is a wasteful number, since it uses less digits than its factorization.

82378374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761 (or 748 counting only the distinct ones).

The product of its digits is 225792, while the sum is 42.

The square root of 82378374 is about 9076.2533018862. The cubic root of 82378374 is about 435.1153505694.

It can be divided in two parts, 823 and 78374, that added together give a palindrome (79197).

The spelling of 82378374 in words is "eighty-two million, three hundred seventy-eight thousand, three hundred seventy-four".