82743212 has 12 divisors (see below), whose sum is σ = 144899160. Its totient is φ = 41343456.

The previous prime is 82743209. The next prime is 82743217. The reversal of 82743212 is 21234728.

It is not an unprimeable number, because it can be changed into a prime (82743217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464 + ... + 12872.

It is an arithmetic number, because the mean of its divisors is an integer number (12074930).

Almost surely, 2^82743212 is an apocalyptic number.

It is an amenable number.

82743212 is a deficient number, since it is larger than the sum of its proper divisors (62155948).

82743212 is a wasteful number, since it uses less digits than its factorization.

82743212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14080 (or 14078 counting only the distinct ones).

The product of its digits is 5376, while the sum is 29.

The square root of 82743212 is about 9096.3295894553. The cubic root of 82743212 is about 435.7567520632.

The spelling of 82743212 in words is "eighty-two million, seven hundred forty-three thousand, two hundred twelve".