4247867745 has 48 divisors (see below), whose sum is σ = 8300732160. Its totient is φ = 2059564320.

The previous prime is 4247867719. The next prime is 4247867749. The reversal of 4247867745 is 5477687424.

4247867745 is a `hidden beast` number, since 42 + 478 + 67 + 74 + 5 = 666.

4247867745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4247867745 - 2⁹ = 4247867233 is a prime.

It is a super-2 number, since 2×4247867745² = 36088760758022770050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4247867691 and 4247867700.

It is not an unprimeable number, because it can be changed into a prime (4247867749) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 113689 + ... + 146358.

It is an arithmetic number, because the mean of its divisors is an integer number (172931920).

Almost surely, 2^4247867745 is an apocalyptic number.

4247867745 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4247867745 is a deficient number, since it is larger than the sum of its proper divisors (4052864415).

4247867745 is a wasteful number, since it uses less digits than its factorization.

4247867745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260083 (or 260066 counting only the distinct ones).

The product of its digits is 10536960, while the sum is 54.

The square root of 4247867745 is about 65175.6683510035. The cubic root of 4247867745 is about 1619.5349659723.

The spelling of 4247867745 in words is "four billion, two hundred forty-seven million, eight hundred sixty-seven thousand, seven hundred forty-five".