82740476 has 48 divisors (see below), whose sum is σ = 185977344. Its totient is φ = 31306176.

The previous prime is 82740467. The next prime is 82740503. The reversal of 82740476 is 67404728.

It is a congruent number.

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, 3431 + ... + 13313.

It is an arithmetic number, because the mean of its divisors is an integer number (3874528).

Almost surely, 2^82740476 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 82740476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92988672).

82740476 is an abundant number, since it is smaller than the sum of its proper divisors (103236868).

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

82740476 is a wasteful number, since it uses less digits than its factorization.

82740476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9930 (or 9928 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 82740476 is about 9096.1791978830. The cubic root of 82740476 is about 435.7519490766.

The spelling of 82740476 in words is "eighty-two million, seven hundred forty thousand, four hundred seventy-six".