447715461 has 4 divisors (see below), whose sum is σ = 596953952. Its totient is φ = 298476972.

The previous prime is 447715459. The next prime is 447715469. The reversal of 447715461 is 164517744.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 447715461 - 2¹ = 447715459 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447715469) 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, 74619241 + ... + 74619246.

It is an arithmetic number, because the mean of its divisors is an integer number (149238488).

Almost surely, 2^447715461 is an apocalyptic number.

It is an amenable number.

447715461 is a deficient number, since it is larger than the sum of its proper divisors (149238491).

447715461 is a wasteful number, since it uses less digits than its factorization.

447715461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149238490.

The product of its digits is 94080, while the sum is 39.

The square root of 447715461 is about 21159.2878188279. The cubic root of 447715461 is about 765.0104437038.

The spelling of 447715461 in words is "four hundred forty-seven million, seven hundred fifteen thousand, four hundred sixty-one".