6725993850 has 72 divisors (see below), whose sum is σ = 18116502300. Its totient is φ = 1789032960.

The previous prime is 6725993839. The next prime is 6725993851. The reversal of 6725993850 is 583995276.

6725993850 is a `hidden beast` number, since 6 + 7 + 259 + 9 + 385 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 4882236129 + 1843757721 = 69873^2 + 42939^2 .

It is not an unprimeable number, because it can be changed into a prime (6725993851) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 159826 + ... + 197474.

Almost surely, 2^6725993850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6725993850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9058251150).

6725993850 is an abundant number, since it is smaller than the sum of its proper divisors (11390508450).

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

6725993850 is a wasteful number, since it uses less digits than its factorization.

6725993850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38064 (or 38056 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 54.

The square root of 6725993850 is about 82012.1567208179. The cubic root of 6725993850 is about 1887.6384799646.

The spelling of 6725993850 in words is "six billion, seven hundred twenty-five million, nine hundred ninety-three thousand, eight hundred fifty".