7474812847 has 4 divisors (see below), whose sum is σ = 7475077440. Its totient is φ = 7474548256.

The previous prime is 7474812827. The next prime is 7474812871. The reversal of 7474812847 is 7482184747.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7474812847 - 2¹⁹ = 7474288559 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7474812794 and 7474812803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7474812817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84058 + ... + 148375.

It is an arithmetic number, because the mean of its divisors is an integer number (1868769360).

Almost surely, 2^7474812847 is an apocalyptic number.

7474812847 is a deficient number, since it is larger than the sum of its proper divisors (264593).

7474812847 is a wasteful number, since it uses less digits than its factorization.

7474812847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264592.

The product of its digits is 2809856, while the sum is 52.

The square root of 7474812847 is about 86456.9999884336. Note that the first 4 decimals coincide. The cubic root of 7474812847 is about 1955.2401548678.

The spelling of 7474812847 in words is "seven billion, four hundred seventy-four million, eight hundred twelve thousand, eight hundred forty-seven".