474990407 has 2 divisors, whose sum is σ = 474990408. Its totient is φ = 474990406.

The previous prime is 474990377. The next prime is 474990409. The reversal of 474990407 is 704099474.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 474990407 - 2⁶ = 474990343 is a prime.

Together with 474990409, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (474990409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237495203 + 237495204.

It is an arithmetic number, because the mean of its divisors is an integer number (237495204).

Almost surely, 2^474990407 is an apocalyptic number.

474990407 is a deficient number, since it is larger than the sum of its proper divisors (1).

474990407 is an equidigital number, since it uses as much as digits as its factorization.

474990407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 474990407 is about 21794.2746380787. The cubic root of 474990407 is about 780.2401227615.

The spelling of 474990407 in words is "four hundred seventy-four million, nine hundred ninety thousand, four hundred seven".