82213736 has 32 divisors (see below), whose sum is σ = 173594880. Its totient is φ = 36163200.

The previous prime is 82213699. The next prime is 82213739. The reversal of 82213736 is 63731228.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (82213739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12341 + ... + 17796.

It is an arithmetic number, because the mean of its divisors is an integer number (5424840).

Almost surely, 2^82213736 is an apocalyptic number.

It is an amenable number.

82213736 is an abundant number, since it is smaller than the sum of its proper divisors (91381144).

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

82213736 is a wasteful number, since it uses less digits than its factorization.

82213736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30185 (or 30181 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 82213736 is about 9067.1790541491. The cubic root of 82213736 is about 434.8252894205.

The spelling of 82213736 in words is "eighty-two million, two hundred thirteen thousand, seven hundred thirty-six".