4742756646 has 16 divisors (see below), whose sum is σ = 9492438384. Its totient is φ = 1579764704.

The previous prime is 4742756617. The next prime is 4742756651. The reversal of 4742756646 is 6466572474.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279621 + ... + 296096.

It is an arithmetic number, because the mean of its divisors is an integer number (593277399).

Almost surely, 2^4742756646 is an apocalyptic number.

4742756646 is an abundant number, since it is smaller than the sum of its proper divisors (4749681738).

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

4742756646 is a wasteful number, since it uses less digits than its factorization.

4742756646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577095.

The product of its digits is 6773760, while the sum is 51.

The square root of 4742756646 is about 68867.6748990410. The cubic root of 4742756646 is about 1680.1328133380.

The spelling of 4742756646 in words is "four billion, seven hundred forty-two million, seven hundred fifty-six thousand, six hundred forty-six".