8734272731 has 2 divisors, whose sum is σ = 8734272732. Its totient is φ = 8734272730.

The previous prime is 8734272721. The next prime is 8734272769. The reversal of 8734272731 is 1372724378.

8734272731 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8734272731 - 2⁶ = 8734272667 is a prime.

It is a super-2 number, since 2×8734272731² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (8734272721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4367136365 + 4367136366.

It is an arithmetic number, because the mean of its divisors is an integer number (4367136366).

Almost surely, 2^8734272731 is an apocalyptic number.

8734272731 is a deficient number, since it is larger than the sum of its proper divisors (1).

8734272731 is an equidigital number, since it uses as much as digits as its factorization.

8734272731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 395136, while the sum is 44.

The square root of 8734272731 is about 93457.3310714574. The cubic root of 8734272731 is about 2059.4073082820.

The spelling of 8734272731 in words is "eight billion, seven hundred thirty-four million, two hundred seventy-two thousand, seven hundred thirty-one".