475724747 has 2 divisors, whose sum is σ = 475724748. Its totient is φ = 475724746.

The previous prime is 475724737. The next prime is 475724749. The reversal of 475724747 is 747427574.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-475724747 is a prime.

Together with 475724749, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (475724749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237862373 + 237862374.

It is an arithmetic number, because the mean of its divisors is an integer number (237862374).

Almost surely, 2^475724747 is an apocalyptic number.

475724747 is a deficient number, since it is larger than the sum of its proper divisors (1).

475724747 is an equidigital number, since it uses as much as digits as its factorization.

475724747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1536640, while the sum is 47.

The square root of 475724747 is about 21811.1152167880. The cubic root of 475724747 is about 780.6420021177.

The spelling of 475724747 in words is "four hundred seventy-five million, seven hundred twenty-four thousand, seven hundred forty-seven".