8749751 has 2 divisors, whose sum is σ = 8749752. Its totient is φ = 8749750.

The previous prime is 8749733. The next prime is 8749753. The reversal of 8749751 is 1579478.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8749751 is a prime.

Together with 8749753, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 8749699 and 8749708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8749753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4374875 + 4374876.

It is an arithmetic number, because the mean of its divisors is an integer number (4374876).

Almost surely, 2^8749751 is an apocalyptic number.

8749751 is a deficient number, since it is larger than the sum of its proper divisors (1).

8749751 is an equidigital number, since it uses as much as digits as its factorization.

8749751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70560, while the sum is 41.

The square root of 8749751 is about 2957.9978025685. The cubic root of 8749751 is about 206.0623103051.

The spelling of 8749751 in words is "eight million, seven hundred forty-nine thousand, seven hundred fifty-one".