82742208 has 28 divisors (see below), whose sum is σ = 218922600. Its totient is φ = 27580672.

The previous prime is 82742197. The next prime is 82742221. The reversal of 82742208 is 80224728.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215283 + ... + 215666.

Almost surely, 2^82742208 is an apocalyptic number.

It is an amenable number.

82742208 is an abundant number, since it is smaller than the sum of its proper divisors (136180392).

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

82742208 is a wasteful number, since it uses less digits than its factorization.

82742208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430964 (or 430954 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 82742208 is about 9096.2744021935. The cubic root of 82742208 is about 435.7549895760.

The spelling of 82742208 in words is "eighty-two million, seven hundred forty-two thousand, two hundred eight".