7644730047 has 16 divisors (see below), whose sum is σ = 10736799360. Its totient is φ = 4824941472.

The previous prime is 7644730033. The next prime is 7644730069. The reversal of 7644730047 is 7400374467.

It is not a de Polignac number, because 7644730047 - 2¹⁹ = 7644205759 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7644729990 and 7644730008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7644730007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39313 + ... + 129749.

It is an arithmetic number, because the mean of its divisors is an integer number (671049960).

Almost surely, 2^7644730047 is an apocalyptic number.

7644730047 is a deficient number, since it is larger than the sum of its proper divisors (3092069313).

7644730047 is a wasteful number, since it uses less digits than its factorization.

7644730047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91942.

The product of its (nonzero) digits is 395136, while the sum is 42.

The square root of 7644730047 is about 87434.1469164079. The cubic root of 7644730047 is about 1969.9447747495.

The spelling of 7644730047 in words is "seven billion, six hundred forty-four million, seven hundred thirty thousand, forty-seven".