447146707 has 12 divisors (see below), whose sum is σ = 520758840. Its totient is φ = 382820256.

The previous prime is 447146683. The next prime is 447146717. The reversal of 447146707 is 707641744.

It is a de Polignac number, because none of the positive numbers 2^k-447146707 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 447146707.

It is not an unprimeable number, because it can be changed into a prime (447146717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41044 + ... + 50782.

It is an arithmetic number, because the mean of its divisors is an integer number (43396570).

Almost surely, 2^447146707 is an apocalyptic number.

447146707 is a deficient number, since it is larger than the sum of its proper divisors (73612133).

447146707 is an equidigital number, since it uses as much as digits as its factorization.

447146707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10690 (or 10683 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 40.

The square root of 447146707 is about 21145.8437287331. The cubic root of 447146707 is about 764.6863635221.

The spelling of 447146707 in words is "four hundred forty-seven million, one hundred forty-six thousand, seven hundred seven".