2720917247 has 8 divisors (see below), whose sum is σ = 2762132880. Its totient is φ = 2679808320.

The previous prime is 2720917237. The next prime is 2720917271. The reversal of 2720917247 is 7427190272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2720917247 - 2¹⁴ = 2720900863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2720917207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25472 + ... + 78042.

It is an arithmetic number, because the mean of its divisors is an integer number (345266610).

Almost surely, 2^2720917247 is an apocalyptic number.

2720917247 is a deficient number, since it is larger than the sum of its proper divisors (41215633).

2720917247 is an equidigital number, since it uses as much as digits as its factorization.

2720917247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53353.

The product of its (nonzero) digits is 98784, while the sum is 41.

The square root of 2720917247 is about 52162.4122045750. The cubic root of 2720917247 is about 1396.0633024047.

The spelling of 2720917247 in words is "two billion, seven hundred twenty million, nine hundred seventeen thousand, two hundred forty-seven".