7829972242 has 8 divisors (see below), whose sum is σ = 11745426636. Its totient is φ = 3914830032.

The previous prime is 7829972237. The next prime is 7829972287. The reversal of 7829972242 is 2422799287.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7550045881 + 279926361 = 86891^2 + 16731^2 .

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

It is a super-2 number, since 2×7829972242² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7829972242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 448 + ... + 125140.

Almost surely, 2^7829972242 is an apocalyptic number.

7829972242 is a deficient number, since it is larger than the sum of its proper divisors (3915454394).

7829972242 is a wasteful number, since it uses less digits than its factorization.

7829972242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156092.

The product of its digits is 2032128, while the sum is 52.

The square root of 7829972242 is about 88487.1303749873. The cubic root of 7829972242 is about 1985.7294378771.

The spelling of 7829972242 in words is "seven billion, eight hundred twenty-nine million, nine hundred seventy-two thousand, two hundred forty-two".