7679021242 has 8 divisors (see below), whose sum is σ = 11531178432. Its totient is φ = 3835295100.

The previous prime is 7679021237. The next prime is 7679021249. The reversal of 7679021242 is 2421209767.

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 = 7679021195 and 7679021204.

It is not an unprimeable number, because it can be changed into a prime (7679021249) 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, 2105484 + ... + 2109127.

It is an arithmetic number, because the mean of its divisors is an integer number (1441397304).

Almost surely, 2^7679021242 is an apocalyptic number.

7679021242 is a deficient number, since it is larger than the sum of its proper divisors (3852157190).

7679021242 is a wasteful number, since it uses less digits than its factorization.

7679021242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4215524.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 7679021242 is about 87630.0247746171. The cubic root of 7679021242 is about 1972.8858425426.

The spelling of 7679021242 in words is "seven billion, six hundred seventy-nine million, twenty-one thousand, two hundred forty-two".