7925686272 has 224 divisors, whose sum is σ = 26841907200. Its totient is φ = 2264039424.

The previous prime is 7925686271. The next prime is 7925686411. The reversal of 7925686272 is 2726865297.

7925686272 is a `hidden beast` number, since 7 + 9 + 2 + 5 + 6 + 8 + 627 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7925686271) 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, 1545729 + ... + 1550847.

Almost surely, 2^7925686272 is an apocalyptic number.

7925686272 is a gapful number since it is divisible by the number (72) 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 7925686272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13420953600).

7925686272 is an abundant number, since it is smaller than the sum of its proper divisors (18916220928).

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

7925686272 is an equidigital number, since it uses as much as digits as its factorization.

7925686272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5161 (or 5131 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 54.

The square root of 7925686272 is about 89026.3234779467. The cubic root of 7925686272 is about 1993.7879143060.

The spelling of 7925686272 in words is "seven billion, nine hundred twenty-five million, six hundred eighty-six thousand, two hundred seventy-two".