716547049 has 4 divisors (see below), whose sum is σ = 726362836. Its totient is φ = 706731264.

The previous prime is 716547031. The next prime is 716547071. The reversal of 716547049 is 940745617.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 940745617 = 7 ⋅134392231.

It can be written as a sum of positive squares in 2 ways, for example, as 599907049 + 116640000 = 24493^2 + 10800^2 .

It is a cyclic number.

It is not a de Polignac number, because 716547049 - 2⁵ = 716547017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 716546996 and 716547014.

It is not an unprimeable number, because it can be changed into a prime (716547089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4907784 + ... + 4907929.

It is an arithmetic number, because the mean of its divisors is an integer number (181590709).

Almost surely, 2^716547049 is an apocalyptic number.

It is an amenable number.

716547049 is a deficient number, since it is larger than the sum of its proper divisors (9815787).

716547049 is an equidigital number, since it uses as much as digits as its factorization.

716547049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9815786.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 716547049 is about 26768.3964592577. The cubic root of 716547049 is about 894.8458684050.

The spelling of 716547049 in words is "seven hundred sixteen million, five hundred forty-seven thousand, forty-nine".