7567252640 has 24 divisors (see below), whose sum is σ = 17877634740. Its totient is φ = 3026900992.

The previous prime is 7567252631. The next prime is 7567252661. The reversal of 7567252640 is 462527657.

It can be written as a sum of positive squares in 2 ways, for example, as 6302454544 + 1264798096 = 79388^2 + 35564^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7567252591 and 7567252600.

It is an unprimeable number.

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, 23647505 + ... + 23647824.

Almost surely, 2^7567252640 is an apocalyptic number.

It is an amenable number.

7567252640 is an abundant number, since it is smaller than the sum of its proper divisors (10310382100).

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

7567252640 is a wasteful number, since it uses less digits than its factorization.

7567252640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47295344 (or 47295336 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 44.

The square root of 7567252640 is about 86989.9571214977. The cubic root of 7567252640 is about 1963.2672010326.

The spelling of 7567252640 in words is "seven billion, five hundred sixty-seven million, two hundred fifty-two thousand, six hundred forty".