3625634478 has 16 divisors (see below), whose sum is σ = 7252117200. Its totient is φ = 1208403456.

The previous prime is 3625634461. The next prime is 3625634497. The reversal of 3625634478 is 8744365263.

3625634478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29326 + ... + 90062.

It is an arithmetic number, because the mean of its divisors is an integer number (453257325).

Almost surely, 2^3625634478 is an apocalyptic number.

3625634478 is an abundant number, since it is smaller than the sum of its proper divisors (3626482722).

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

3625634478 is a wasteful number, since it uses less digits than its factorization.

3625634478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70691.

The product of its digits is 2903040, while the sum is 48.

The square root of 3625634478 is about 60213.2417164198. The cubic root of 3625634478 is about 1536.2480314046.

The spelling of 3625634478 in words is "three billion, six hundred twenty-five million, six hundred thirty-four thousand, four hundred seventy-eight".