447723545 has 8 divisors (see below), whose sum is σ = 554599680. Its totient is φ = 346624560.

The previous prime is 447723539. The next prime is 447723557. The reversal of 447723545 is 545327744.

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

It is a de Polignac number, because none of the positive numbers 2^k-447723545 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1444115 + ... + 1444424.

It is an arithmetic number, because the mean of its divisors is an integer number (69324960).

Almost surely, 2^447723545 is an apocalyptic number.

It is an amenable number.

447723545 is a deficient number, since it is larger than the sum of its proper divisors (106876135).

447723545 is a wasteful number, since it uses less digits than its factorization.

447723545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2888575.

The product of its digits is 470400, while the sum is 41.

The square root of 447723545 is about 21159.4788451890. The cubic root of 447723545 is about 765.0150480472.

The spelling of 447723545 in words is "four hundred forty-seven million, seven hundred twenty-three thousand, five hundred forty-five".