82742248 has 16 divisors (see below), whose sum is σ = 155722500. Its totient is φ = 41216256.

The previous prime is 82742243. The next prime is 82742251. The reversal of 82742248 is 84224728.

It can be written as a sum of positive squares in 2 ways, for example, as 55681444 + 27060804 = 7462^2 + 5202^2 .

It is not an unprimeable number, because it can be changed into a prime (82742243) 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, 17073 + ... + 21376.

Almost surely, 2^82742248 is an apocalyptic number.

It is an amenable number.

82742248 is a deficient number, since it is larger than the sum of its proper divisors (72980252).

82742248 is a wasteful number, since it uses less digits than its factorization.

82742248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38724 (or 38720 counting only the distinct ones).

The product of its digits is 57344, while the sum is 37.

The square root of 82742248 is about 9096.2766008956. The cubic root of 82742248 is about 435.7550597949.

The spelling of 82742248 in words is "eighty-two million, seven hundred forty-two thousand, two hundred forty-eight".