6925000840 has 16 divisors (see below), whose sum is σ = 15581251980. Its totient is φ = 2770000320.

The previous prime is 6925000781. The next prime is 6925000853. The reversal of 6925000840 is 480005296.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6918579684 + 6421156 = 83178^2 + 2534^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6925000796 and 6925000805.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86562471 + ... + 86562550.

Almost surely, 2^6925000840 is an apocalyptic number.

It is an amenable number.

6925000840 is an abundant number, since it is smaller than the sum of its proper divisors (8656251140).

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

6925000840 is a wasteful number, since it uses less digits than its factorization.

6925000840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173125032 (or 173125028 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 6925000840 is about 83216.5899325369. The cubic root of 6925000840 is about 1906.0748168458.

The spelling of 6925000840 in words is "six billion, nine hundred twenty-five million, eight hundred forty", and thus it is an aban number.