447270739 has 2 divisors, whose sum is σ = 447270740. Its totient is φ = 447270738.

The previous prime is 447270737. The next prime is 447270743. The reversal of 447270739 is 937072744.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 447270739 - 2¹ = 447270737 is a prime.

It is a super-2 number, since 2×447270739² = 400102227931212242, which contains 22 as substring.

Together with 447270737, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 447270695 and 447270704.

It is not a weakly prime, because it can be changed into another prime (447270737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223635369 + 223635370.

It is an arithmetic number, because the mean of its divisors is an integer number (223635370).

Almost surely, 2^447270739 is an apocalyptic number.

447270739 is a deficient number, since it is larger than the sum of its proper divisors (1).

447270739 is an equidigital number, since it uses as much as digits as its factorization.

447270739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 296352, while the sum is 43.

The square root of 447270739 is about 21148.7763002969. The cubic root of 447270739 is about 764.7570612814.

The spelling of 447270739 in words is "four hundred forty-seven million, two hundred seventy thousand, seven hundred thirty-nine".