447940769 has 16 divisors (see below), whose sum is σ = 479872512. Its totient is φ = 416663808.

The previous prime is 447940763. The next prime is 447940771. The reversal of 447940769 is 967049744.

It is a cyclic number.

It is not a de Polignac number, because 447940769 - 2⁸ = 447940513 is a prime.

It is a super-2 number, since 2×447940769² = 401301865064622722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (447940763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 655502 + ... + 656184.

It is an arithmetic number, because the mean of its divisors is an integer number (29992032).

Almost surely, 2^447940769 is an apocalyptic number.

It is an amenable number.

447940769 is a deficient number, since it is larger than the sum of its proper divisors (31931743).

447940769 is a wasteful number, since it uses less digits than its factorization.

447940769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096.

The product of its (nonzero) digits is 1524096, while the sum is 50.

The square root of 447940769 is about 21164.6112414096. The cubic root of 447940769 is about 765.1387499480.

The spelling of 447940769 in words is "four hundred forty-seven million, nine hundred forty thousand, seven hundred sixty-nine".