6940078105 has 8 divisors (see below), whose sum is σ = 8342530632. Its totient is φ = 5542437888.

The previous prime is 6940078081. The next prime is 6940078129. The reversal of 6940078105 is 5018700496.

It is an interprime number because it is at equal distance from previous prime (6940078081) and next prime (6940078129).

It can be written as a sum of positive squares in 4 ways, for example, as 2279012121 + 4661065984 = 47739^2 + 68272^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6940078105 is a prime.

It is a Duffinian 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, 1199902 + ... + 1205671.

It is an arithmetic number, because the mean of its divisors is an integer number (1042816329).

Almost surely, 2^6940078105 is an apocalyptic number.

It is an amenable number.

6940078105 is a deficient number, since it is larger than the sum of its proper divisors (1402452527).

6940078105 is a wasteful number, since it uses less digits than its factorization.

6940078105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2406155.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 6940078105 is about 83307.1311773488. The cubic root of 6940078105 is about 1907.4571302132.

The spelling of 6940078105 in words is "six billion, nine hundred forty million, seventy-eight thousand, one hundred five".