7425748512 has 432 divisors, whose sum is σ = 28022124312. Its totient is φ = 1842462720.

The previous prime is 7425748507. The next prime is 7425748523. The reversal of 7425748512 is 2158475247.

7425748512 is a `hidden beast` number, since 7 + 42 + 57 + 48 + 512 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3467325456 + 3958423056 = 58884^2 + 62916^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3117562 + ... + 3119942.

Almost surely, 2^7425748512 is an apocalyptic number.

7425748512 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 7425748512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14011062156).

7425748512 is an abundant number, since it is smaller than the sum of its proper divisors (20596375800).

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

7425748512 is a wasteful number, since it uses less digits than its factorization.

7425748512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2441 (or 2423 counting only the distinct ones).

The product of its digits is 627200, while the sum is 45.

The square root of 7425748512 is about 86172.7828957612. The cubic root of 7425748512 is about 1950.9527241891.

The spelling of 7425748512 in words is "seven billion, four hundred twenty-five million, seven hundred forty-eight thousand, five hundred twelve".