7907872242 has 16 divisors (see below), whose sum is σ = 15818517792. Its totient is φ = 2635495200.

The previous prime is 7907872237. The next prime is 7907872289. The reversal of 7907872242 is 2422787097.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 7907872191 and 7907872200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77523 + ... + 147734.

It is an arithmetic number, because the mean of its divisors is an integer number (988657362).

Almost surely, 2^7907872242 is an apocalyptic number.

7907872242 is an abundant number, since it is smaller than the sum of its proper divisors (7910645550).

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

7907872242 is a wasteful number, since it uses less digits than its factorization.

7907872242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231113.

The product of its (nonzero) digits is 790272, while the sum is 48.

The square root of 7907872242 is about 88926.2179674813. The cubic root of 7907872242 is about 1992.2930262591.

The spelling of 7907872242 in words is "seven billion, nine hundred seven million, eight hundred seventy-two thousand, two hundred forty-two".