7275257712 has 120 divisors (see below), whose sum is σ = 21880559376. Its totient is φ = 2248316928.

The previous prime is 7275257711. The next prime is 7275257761. The reversal of 7275257712 is 2177525727.

7275257712 is a `hidden beast` number, since 7 + 2 + 75 + 2 + 577 + 1 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7275257711) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141838 + ... + 186194.

Almost surely, 2^7275257712 is an apocalyptic number.

7275257712 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 7275257712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10940279688).

7275257712 is an abundant number, since it is smaller than the sum of its proper divisors (14605301664).

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

7275257712 is a wasteful number, since it uses less digits than its factorization.

7275257712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44455 (or 44446 counting only the distinct ones).

The product of its digits is 480200, while the sum is 45.

The square root of 7275257712 is about 85295.1212672800. The cubic root of 7275257712 is about 1937.6832897263.

The spelling of 7275257712 in words is "seven billion, two hundred seventy-five million, two hundred fifty-seven thousand, seven hundred twelve".