2672317447 has 4 divisors (see below), whose sum is σ = 2672677440. Its totient is φ = 2671957456.

The previous prime is 2672317423. The next prime is 2672317457. The reversal of 2672317447 is 7447132762.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2672317447 - 2²⁷ = 2538099719 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 (2672317457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168622 + ... + 183787.

It is an arithmetic number, because the mean of its divisors is an integer number (668169360).

Almost surely, 2^2672317447 is an apocalyptic number.

2672317447 is a deficient number, since it is larger than the sum of its proper divisors (359993).

2672317447 is an equidigital number, since it uses as much as digits as its factorization.

2672317447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359992.

The product of its digits is 395136, while the sum is 43.

The square root of 2672317447 is about 51694.4624403814. The cubic root of 2672317447 is about 1387.7013657048.

The spelling of 2672317447 in words is "two billion, six hundred seventy-two million, three hundred seventeen thousand, four hundred forty-seven".