7984679730 has 32 divisors (see below), whose sum is σ = 19173829248. Its totient is φ = 2128070400.

The previous prime is 7984679687. The next prime is 7984679749. The reversal of 7984679730 is 379764897.

It is a super-2 number, since 2×7984679730² (a number of 21 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 17751 + ... + 127610.

It is an arithmetic number, because the mean of its divisors is an integer number (599182164).

Almost surely, 2^7984679730 is an apocalyptic number.

7984679730 is an abundant number, since it is smaller than the sum of its proper divisors (11189149518).

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

7984679730 is a wasteful number, since it uses less digits than its factorization.

7984679730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147202.

The product of its (nonzero) digits is 16003008, while the sum is 60.

The square root of 7984679730 is about 89357.0351455329. The cubic root of 7984679730 is about 1998.7224949976.

The spelling of 7984679730 in words is "seven billion, nine hundred eighty-four million, six hundred seventy-nine thousand, seven hundred thirty".