474424645 has 4 divisors (see below), whose sum is σ = 569309580. Its totient is φ = 379539712.

The previous prime is 474424631. The next prime is 474424649. The reversal of 474424645 is 546424474.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 358496356 + 115928289 = 18934^2 + 10767^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-474424645 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 474424598 and 474424607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (474424649) 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 3 ways as a sum of consecutive naturals, for example, 47442460 + ... + 47442469.

It is an arithmetic number, because the mean of its divisors is an integer number (142327395).

Almost surely, 2^474424645 is an apocalyptic number.

It is an amenable number.

474424645 is a deficient number, since it is larger than the sum of its proper divisors (94884935).

474424645 is an equidigital number, since it uses as much as digits as its factorization.

474424645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94884934.

The product of its digits is 430080, while the sum is 40.

The square root of 474424645 is about 21781.2911692581. The cubic root of 474424645 is about 779.9302178422.

The spelling of 474424645 in words is "four hundred seventy-four million, four hundred twenty-four thousand, six hundred forty-five".