6866742032 has 20 divisors (see below), whose sum is σ = 13763083020. Its totient is φ = 3314978688.

The previous prime is 6866741953. The next prime is 6866742083. The reversal of 6866742032 is 2302476686.

It can be written as a sum of positive squares in 2 ways, for example, as 5001884176 + 1864857856 = 70724^2 + 43184^2 .

It is a super-2 number, since 2×6866742032² = 94304292268070978048, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7399043 + ... + 7399970.

It is an arithmetic number, because the mean of its divisors is an integer number (688154151).

Almost surely, 2^6866742032 is an apocalyptic number.

It is an amenable number.

6866742032 is an abundant number, since it is smaller than the sum of its proper divisors (6896340988).

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

6866742032 is a wasteful number, since it uses less digits than its factorization.

6866742032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14799050 (or 14799044 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 44.

The square root of 6866742032 is about 82865.8073755394. The cubic root of 6866742032 is about 1900.7146002687.

The spelling of 6866742032 in words is "six billion, eight hundred sixty-six million, seven hundred forty-two thousand, thirty-two".