82872744 has 16 divisors (see below), whose sum is σ = 207181920. Its totient is φ = 27624240.

The previous prime is 82872743. The next prime is 82872787. The reversal of 82872744 is 44727828.

It is a junction number, because it is equal to n+sod(n) for n = 82872696 and 82872705.

It is not an unprimeable number, because it can be changed into a prime (82872743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1726492 + ... + 1726539.

It is an arithmetic number, because the mean of its divisors is an integer number (12948870).

Almost surely, 2^82872744 is an apocalyptic number.

It is an amenable number.

82872744 is an abundant number, since it is smaller than the sum of its proper divisors (124309176).

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

82872744 is a wasteful number, since it uses less digits than its factorization.

82872744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3453040 (or 3453036 counting only the distinct ones).

The product of its digits is 200704, while the sum is 42.

The square root of 82872744 is about 9103.4468197491. The cubic root of 82872744 is about 435.9840215226.

The spelling of 82872744 in words is "eighty-two million, eight hundred seventy-two thousand, seven hundred forty-four".