82247004 has 72 divisors (see below), whose sum is σ = 244051808. Its totient is φ = 22861440.

The previous prime is 82246993. The next prime is 82247017. The reversal of 82247004 is 40074228.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4914 + ... + 13734.

Almost surely, 2^82247004 is an apocalyptic number.

82247004 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82247004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122025904).

82247004 is an abundant number, since it is smaller than the sum of its proper divisors (161804804).

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

82247004 is a wasteful number, since it uses less digits than its factorization.

82247004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8875 (or 8870 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 82247004 is about 9069.0133972776. The cubic root of 82247004 is about 434.8839325689.

The spelling of 82247004 in words is "eighty-two million, two hundred forty-seven thousand, four".