7974834458 has 8 divisors (see below), whose sum is σ = 11962630740. Its totient is φ = 3987290880.

The previous prime is 7974834449. The next prime is 7974834473. The reversal of 7974834458 is 8544384797.

It can be written as a sum of positive squares in 2 ways, for example, as 7671482569 + 303351889 = 87587^2 + 17417^2 .

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 = 7974834397 and 7974834406.

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, 89978 + ... + 155066.

Almost surely, 2^7974834458 is an apocalyptic number.

7974834458 is a deficient number, since it is larger than the sum of its proper divisors (3987796282).

7974834458 is a wasteful number, since it uses less digits than its factorization.

7974834458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126352.

The product of its digits is 27095040, while the sum is 59.

The square root of 7974834458 is about 89301.9286353884. The cubic root of 7974834458 is about 1997.9006686750.

The spelling of 7974834458 in words is "seven billion, nine hundred seventy-four million, eight hundred thirty-four thousand, four hundred fifty-eight".