427447306 has 24 divisors (see below), whose sum is σ = 757409184. Its totient is φ = 179346960.

The previous prime is 427447301. The next prime is 427447309. The reversal of 427447306 is 603744724.

It is a super-2 number, since 2×427447306² = 365422398813315272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (427447301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53766 + ... + 61201.

It is an arithmetic number, because the mean of its divisors is an integer number (31558716).

Almost surely, 2^427447306 is an apocalyptic number.

427447306 is a deficient number, since it is larger than the sum of its proper divisors (329961878).

427447306 is a wasteful number, since it uses less digits than its factorization.

427447306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115006 (or 114993 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 37.

The square root of 427447306 is about 20674.7988140151. The cubic root of 427447306 is about 753.2876744632.

The spelling of 427447306 in words is "four hundred twenty-seven million, four hundred forty-seven thousand, three hundred six".