7745540652 has 48 divisors (see below), whose sum is σ = 20127744000. Its totient is φ = 2575841040.

The previous prime is 7745540633. The next prime is 7745540653. The reversal of 7745540652 is 2560455477.

7745540652 is a `hidden beast` number, since 7 + 7 + 45 + 540 + 65 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 7745540598 and 7745540607.

It is not an unprimeable number, because it can be changed into a prime (7745540653) 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 15 ways as a sum of consecutive naturals, for example, 36652 + ... + 129747.

It is an arithmetic number, because the mean of its divisors is an integer number (419328000).

Almost surely, 2^7745540652 is an apocalyptic number.

It is an amenable number.

7745540652 is an abundant number, since it is smaller than the sum of its proper divisors (12382203348).

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

7745540652 is a wasteful number, since it uses less digits than its factorization.

7745540652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166843 (or 166835 counting only the distinct ones).

The product of its (nonzero) digits is 1176000, while the sum is 45.

The square root of 7745540652 is about 88008.7532692061. The cubic root of 7745540652 is about 1978.5661703819.

The spelling of 7745540652 in words is "seven billion, seven hundred forty-five million, five hundred forty thousand, six hundred fifty-two".