6870479136 has 24 divisors (see below), whose sum is σ = 18035007984. Its totient is φ = 2290159680.

The previous prime is 6870479123. The next prime is 6870479137. The reversal of 6870479136 is 6319740786.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×6870479136² = 94406967116422612992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6870479137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35783650 + ... + 35783841.

It is an arithmetic number, because the mean of its divisors is an integer number (751458666).

Almost surely, 2^6870479136 is an apocalyptic number.

It is an amenable number.

6870479136 is an abundant number, since it is smaller than the sum of its proper divisors (11164528848).

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

6870479136 is a wasteful number, since it uses less digits than its factorization.

6870479136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71567504 (or 71567496 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 51.

The square root of 6870479136 is about 82888.3534400340. The cubic root of 6870479136 is about 1901.0593479380.

The spelling of 6870479136 in words is "six billion, eight hundred seventy million, four hundred seventy-nine thousand, one hundred thirty-six".