634774425 has 24 divisors (see below), whose sum is σ = 1050394080. Its totient is φ = 338256000.

The previous prime is 634774391. The next prime is 634774429. The reversal of 634774425 is 524477436.

It is not a de Polignac number, because 634774425 - 2⁹ = 634773913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (634774429) 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 in 23 ways as a sum of consecutive naturals, for example, 106525 + ... + 112325.

It is an arithmetic number, because the mean of its divisors is an integer number (43766420).

Almost surely, 2^634774425 is an apocalyptic number.

It is an amenable number.

634774425 is a deficient number, since it is larger than the sum of its proper divisors (415619655).

634774425 is a wasteful number, since it uses less digits than its factorization.

634774425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7273 (or 7268 counting only the distinct ones).

The product of its digits is 564480, while the sum is 42.

The square root of 634774425 is about 25194.7301037340. The cubic root of 634774425 is about 859.4220133839.

The spelling of 634774425 in words is "six hundred thirty-four million, seven hundred seventy-four thousand, four hundred twenty-five".