3678128634 has 16 divisors (see below), whose sum is σ = 7555075488. Its totient is φ = 1192906512.

The previous prime is 3678128593. The next prime is 3678128639. The reversal of 3678128634 is 4368218763.

It is not an unprimeable number, because it can be changed into a prime (3678128639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8283852 + ... + 8284295.

It is an arithmetic number, because the mean of its divisors is an integer number (472192218).

Almost surely, 2^3678128634 is an apocalyptic number.

3678128634 is an abundant number, since it is smaller than the sum of its proper divisors (3876946854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3678128634 is a wasteful number, since it uses less digits than its factorization.

3678128634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16568189.

The product of its digits is 1161216, while the sum is 48.

The square root of 3678128634 is about 60647.5773135251. The cubic root of 3678128634 is about 1543.6267803676.

The spelling of 3678128634 in words is "three billion, six hundred seventy-eight million, one hundred twenty-eight thousand, six hundred thirty-four".