6694970940 has 216 divisors, whose sum is σ = 25013871792. Its totient is φ = 1440230400.

The previous prime is 6694970927. The next prime is 6694970981. The reversal of 6694970940 is 490794966.

6694970940 is a `hidden beast` number, since 6 + 69 + 497 + 0 + 94 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 127615 + ... + 172265.

It is an arithmetic number, because the mean of its divisors is an integer number (115804962).

Almost surely, 2^6694970940 is an apocalyptic number.

6694970940 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6694970940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12506935896).

6694970940 is an abundant number, since it is smaller than the sum of its proper divisors (18318900852).

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

6694970940 is a wasteful number, since it uses less digits than its factorization.

6694970940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44697 (or 44685 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 54.

The square root of 6694970940 is about 81822.8020786382. The cubic root of 6694970940 is about 1884.7318312559.

The spelling of 6694970940 in words is "six billion, six hundred ninety-four million, nine hundred seventy thousand, nine hundred forty".