6634574738 has 16 divisors (see below), whose sum is σ = 10858985280. Its totient is φ = 3015046800.

The previous prime is 6634574719. The next prime is 6634574767. The reversal of 6634574738 is 8374754366.

It is a self number, because there is not a number n which added to its sum of digits gives 6634574738.

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 7 ways as a sum of consecutive naturals, for example, 75923 + ... + 137961.

It is an arithmetic number, because the mean of its divisors is an integer number (678686580).

Almost surely, 2^6634574738 is an apocalyptic number.

6634574738 is a deficient number, since it is larger than the sum of its proper divisors (4224410542).

6634574738 is a wasteful number, since it uses less digits than its factorization.

6634574738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66913.

The product of its digits is 10160640, while the sum is 53.

The square root of 6634574738 is about 81452.8988925502. The cubic root of 6634574738 is about 1879.0472328230.

The spelling of 6634574738 in words is "six billion, six hundred thirty-four million, five hundred seventy-four thousand, seven hundred thirty-eight".