8642072242 has 16 divisors (see below), whose sum is σ = 13098196800. Its totient is φ = 4276066032.

The previous prime is 8642072221. The next prime is 8642072267. The reversal of 8642072242 is 2422702468.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293509 + ... + 321607.

It is an arithmetic number, because the mean of its divisors is an integer number (818637300).

Almost surely, 2^8642072242 is an apocalyptic number.

8642072242 is a deficient number, since it is larger than the sum of its proper divisors (4456124558).

8642072242 is a wasteful number, since it uses less digits than its factorization.

8642072242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29697.

The product of its (nonzero) digits is 86016, while the sum is 37.

The square root of 8642072242 is about 92962.7465278431. The cubic root of 8642072242 is about 2052.1351730824.

The spelling of 8642072242 in words is "eight billion, six hundred forty-two million, seventy-two thousand, two hundred forty-two".