447240713 has 4 divisors (see below), whose sum is σ = 451851540. Its totient is φ = 442629888.

The previous prime is 447240707. The next prime is 447240797. The reversal of 447240713 is 317042744.

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

It can be written as a sum of positive squares in 2 ways, for example, as 199713424 + 247527289 = 14132^2 + 15733^2 .

It is a cyclic number.

It is not a de Polignac number, because 447240713 - 2⁶ = 447240649 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 447240713.

It is not an unprimeable number, because it can be changed into a prime (447240113) 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, 2305268 + ... + 2305461.

It is an arithmetic number, because the mean of its divisors is an integer number (112962885).

Almost surely, 2^447240713 is an apocalyptic number.

It is an amenable number.

447240713 is a deficient number, since it is larger than the sum of its proper divisors (4610827).

447240713 is an equidigital number, since it uses as much as digits as its factorization.

447240713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4610826.

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 447240713 is about 21148.0664127953. The cubic root of 447240713 is about 764.7399477769.

The spelling of 447240713 in words is "four hundred forty-seven million, two hundred forty thousand, seven hundred thirteen".