7934473836 has 72 divisors (see below), whose sum is σ = 20158092864. Its totient is φ = 2631483360.

The previous prime is 7934473831. The next prime is 7934473837. The reversal of 7934473836 is 6383744397.

It is a happy number.

7934473836 is a `hidden beast` number, since 7 + 93 + 4 + 473 + 83 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (7934473831) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11482251 + ... + 11482941.

It is an arithmetic number, because the mean of its divisors is an integer number (279973512).

Almost surely, 2^7934473836 is an apocalyptic number.

It is an amenable number.

7934473836 is an abundant number, since it is smaller than the sum of its proper divisors (12223619028).

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

7934473836 is a wasteful number, since it uses less digits than its factorization.

7934473836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851 (or 1846 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 54.

The square root of 7934473836 is about 89075.6635451008. The cubic root of 7934473836 is about 1994.5245095154.

The spelling of 7934473836 in words is "seven billion, nine hundred thirty-four million, four hundred seventy-three thousand, eight hundred thirty-six".