6725420386 has 32 divisors (see below), whose sum is σ = 11099744640. Its totient is φ = 3042002304.

The previous prime is 6725420381. The next prime is 6725420389. The reversal of 6725420386 is 6830245276.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (6725420381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 529486 + ... + 542038.

It is an arithmetic number, because the mean of its divisors is an integer number (346867020).

Almost surely, 2^6725420386 is an apocalyptic number.

6725420386 is a deficient number, since it is larger than the sum of its proper divisors (4374324254).

6725420386 is a wasteful number, since it uses less digits than its factorization.

6725420386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13210.

The product of its (nonzero) digits is 483840, while the sum is 43.

The square root of 6725420386 is about 82008.6604329079. The cubic root of 6725420386 is about 1887.5848312150.

The spelling of 6725420386 in words is "six billion, seven hundred twenty-five million, four hundred twenty thousand, three hundred eighty-six".