475949737 has 2 divisors, whose sum is σ = 475949738. Its totient is φ = 475949736.

The previous prime is 475949717. The next prime is 475949743. The reversal of 475949737 is 737949574.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 475937856 + 11881 = 21816^2 + 109^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-475949737 is a prime.

It is not a weakly prime, because it can be changed into another prime (475949717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237974868 + 237974869.

It is an arithmetic number, because the mean of its divisors is an integer number (237974869).

Almost surely, 2^475949737 is an apocalyptic number.

It is an amenable number.

475949737 is a deficient number, since it is larger than the sum of its proper divisors (1).

475949737 is an equidigital number, since it uses as much as digits as its factorization.

475949737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6667920, while the sum is 55.

The square root of 475949737 is about 21816.2722984473. The cubic root of 475949737 is about 780.7650487351.

The spelling of 475949737 in words is "four hundred seventy-five million, nine hundred forty-nine thousand, seven hundred thirty-seven".