7489256112 has 140 divisors (see below), whose sum is σ = 23429687904. Its totient is φ = 2304339840.

The previous prime is 7489256069. The next prime is 7489256123. The reversal of 7489256112 is 2116529847.

7489256112 is a `hidden beast` number, since 7 + 4 + 8 + 9 + 25 + 611 + 2 = 666.

It is a super-2 number, since 2×7489256112² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 126937 + ... + 176327.

Almost surely, 2^7489256112 is an apocalyptic number.

7489256112 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 7489256112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11714843952).

7489256112 is an abundant number, since it is smaller than the sum of its proper divisors (15940431792).

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

7489256112 is a wasteful number, since it uses less digits than its factorization.

7489256112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49430 (or 49409 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 7489256112 is about 86540.4882814975. The cubic root of 7489256112 is about 1956.4986872554.

The spelling of 7489256112 in words is "seven billion, four hundred eighty-nine million, two hundred fifty-six thousand, one hundred twelve".