6725283840 has 624 divisors, whose sum is σ = 26496377856. Its totient is φ = 1563033600.

The previous prime is 6725283839. The next prime is 6725283841. The reversal of 6725283840 is 483825276.

It is an interprime number because it is at equal distance from previous prime (6725283839) and next prime (6725283841).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (6725283841) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 62853067 + ... + 62853173.

It is an arithmetic number, because the mean of its divisors is an integer number (42462144).

Almost surely, 2^6725283840 is an apocalyptic number.

6725283840 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 6725283840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13248188928).

6725283840 is an abundant number, since it is smaller than the sum of its proper divisors (19771094016).

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

6725283840 is a wasteful number, since it uses less digits than its factorization.

6725283840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The square root of 6725283840 is about 82007.8279190468. The cubic root of 6725283840 is about 1887.5720566033.

The spelling of 6725283840 in words is "six billion, seven hundred twenty-five million, two hundred eighty-three thousand, eight hundred forty".