634628470 has 24 divisors (see below), whose sum is σ = 1305955152. Its totient is φ = 217514640.

The previous prime is 634628447. The next prime is 634628503. The reversal of 634628470 is 74826436.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 209265 + ... + 212275.

It is an arithmetic number, because the mean of its divisors is an integer number (54414798).

Almost surely, 2^634628470 is an apocalyptic number.

634628470 is an abundant number, since it is smaller than the sum of its proper divisors (671326682).

634628470 is an frugal number, since it uses more digits than its factorization.

634628470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6036 (or 3025 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 40.

The square root of 634628470 is about 25191.8333989410. The cubic root of 634628470 is about 859.3561387728.

The spelling of 634628470 in words is "six hundred thirty-four million, six hundred twenty-eight thousand, four hundred seventy".