3925072806 has 16 divisors (see below), whose sum is σ = 7873866048. Its totient is φ = 1304404200.

The previous prime is 3925072793. The next prime is 3925072817. The reversal of 3925072806 is 6082705293.

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, 986200 + ... + 990171.

It is an arithmetic number, because the mean of its divisors is an integer number (492116628).

Almost surely, 2^3925072806 is an apocalyptic number.

3925072806 is an abundant number, since it is smaller than the sum of its proper divisors (3948793242).

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

3925072806 is a wasteful number, since it uses less digits than its factorization.

3925072806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976707.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 3925072806 is about 62650.4014831509. The cubic root of 3925072806 is about 1577.4268867053.

The spelling of 3925072806 in words is "three billion, nine hundred twenty-five million, seventy-two thousand, eight hundred six".