82347242 has 8 divisors (see below), whose sum is σ = 123824100. Its totient is φ = 41072544.

The previous prime is 82347227. The next prime is 82347247. The reversal of 82347242 is 24274328.

It can be written as a sum of positive squares in 2 ways, for example, as 62267881 + 20079361 = 7891^2 + 4481^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 82347199 and 82347208.

It is not an unprimeable number, because it can be changed into a prime (82347247) 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, 49517 + ... + 51152.

Almost surely, 2^82347242 is an apocalyptic number.

82347242 is a deficient number, since it is larger than the sum of its proper divisors (41476858).

82347242 is a wasteful number, since it uses less digits than its factorization.

82347242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101080.

The product of its digits is 21504, while the sum is 32.

The square root of 82347242 is about 9074.5381149676. The cubic root of 82347242 is about 435.0605314981.

The spelling of 82347242 in words is "eighty-two million, three hundred forty-seven thousand, two hundred forty-two".