7487455252 has 12 divisors (see below), whose sum is σ = 13104129780. Its totient is φ = 3743418176.

The previous prime is 7487455247. The next prime is 7487455253. The reversal of 7487455252 is 2525547847.

It can be written as a sum of positive squares in 2 ways, for example, as 7471182096 + 16273156 = 86436^2 + 4034^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7487455196 and 7487455205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7487455253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17833 + ... + 123664.

It is an arithmetic number, because the mean of its divisors is an integer number (1092010815).

Almost surely, 2^7487455252 is an apocalyptic number.

It is an amenable number.

7487455252 is a deficient number, since it is larger than the sum of its proper divisors (5616674528).

7487455252 is a wasteful number, since it uses less digits than its factorization.

7487455252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154730 (or 154728 counting only the distinct ones).

The product of its digits is 3136000, while the sum is 49.

The square root of 7487455252 is about 86530.0829307357. The cubic root of 7487455252 is about 1956.3418553609.

The spelling of 7487455252 in words is "seven billion, four hundred eighty-seven million, four hundred fifty-five thousand, two hundred fifty-two".