6867438972 has 12 divisors (see below), whose sum is σ = 16024024296. Its totient is φ = 2289146320.

The previous prime is 6867438947. The next prime is 6867438973. The reversal of 6867438972 is 2798347686.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6867438973) 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, 286143279 + ... + 286143302.

It is an arithmetic number, because the mean of its divisors is an integer number (1335335358).

Almost surely, 2^6867438972 is an apocalyptic number.

It is an amenable number.

6867438972 is an abundant number, since it is smaller than the sum of its proper divisors (9156585324).

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

6867438972 is a wasteful number, since it uses less digits than its factorization.

6867438972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572286588 (or 572286586 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 60.

The square root of 6867438972 is about 82870.0125015074. The cubic root of 6867438972 is about 1900.7789024377.

The spelling of 6867438972 in words is "six billion, eight hundred sixty-seven million, four hundred thirty-eight thousand, nine hundred seventy-two".