756272849 has 2 divisors, whose sum is σ = 756272850. Its totient is φ = 756272848.

The previous prime is 756272813. The next prime is 756272851. The reversal of 756272849 is 948272657.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 657409600 + 98863249 = 25640^2 + 9943^2 .

It is a cyclic number.

It is not a de Polignac number, because 756272849 - 2¹² = 756268753 is a prime.

Together with 756272851, 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 = 756272797 and 756272806.

It is not a weakly prime, because it can be changed into another prime (756272899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 378136424 + 378136425.

It is an arithmetic number, because the mean of its divisors is an integer number (378136425).

Almost surely, 2^756272849 is an apocalyptic number.

It is an amenable number.

756272849 is a deficient number, since it is larger than the sum of its proper divisors (1).

756272849 is an equidigital number, since it uses as much as digits as its factorization.

756272849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1693440, while the sum is 50.

The square root of 756272849 is about 27500.4154332257. The cubic root of 756272849 is about 911.0862723311.

The spelling of 756272849 in words is "seven hundred fifty-six million, two hundred seventy-two thousand, eight hundred forty-nine".