1634630372 has 12 divisors (see below), whose sum is σ = 2952880896. Its totient is φ = 790950120.

The previous prime is 1634630321. The next prime is 1634630383. The reversal of 1634630372 is 2730364361.

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 3 ways as a sum of consecutive naturals, for example, 6591128 + ... + 6591375.

It is an arithmetic number, because the mean of its divisors is an integer number (246073408).

Almost surely, 2^1634630372 is an apocalyptic number.

It is an amenable number.

1634630372 is a deficient number, since it is larger than the sum of its proper divisors (1318250524).

1634630372 is a wasteful number, since it uses less digits than its factorization.

1634630372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13182538 (or 13182536 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 35.

The square root of 1634630372 is about 40430.5623507762. The cubic root of 1634630372 is about 1177.9852558248.

The spelling of 1634630372 in words is "one billion, six hundred thirty-four million, six hundred thirty thousand, three hundred seventy-two".