7487521748 has 24 divisors (see below), whose sum is σ = 15763204800. Its totient is φ = 3040046208.

The previous prime is 7487521747. The next prime is 7487521751. The reversal of 7487521748 is 8471257847.

It is a super-3 number, since 3×7487521748³ (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7487521748.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7487521747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7036613 + ... + 7037676.

It is an arithmetic number, because the mean of its divisors is an integer number (656800200).

Almost surely, 2^7487521748 is an apocalyptic number.

It is an amenable number.

7487521748 is an abundant number, since it is smaller than the sum of its proper divisors (8275683052).

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

7487521748 is a wasteful number, since it uses less digits than its factorization.

7487521748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14074319 (or 14074317 counting only the distinct ones).

The product of its digits is 3512320, while the sum is 53.

The square root of 7487521748 is about 86530.4671661953. The cubic root of 7487521748 is about 1956.3476467599.

The spelling of 7487521748 in words is "seven billion, four hundred eighty-seven million, five hundred twenty-one thousand, seven hundred forty-eight".