7527740745 has 32 divisors (see below), whose sum is σ = 13768270848. Its totient is φ = 3440438208.

The previous prime is 7527740741. The next prime is 7527740747. The reversal of 7527740745 is 5470477257.

It is not a de Polignac number, because 7527740745 - 2² = 7527740741 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7527740694 and 7527740703.

It is not an unprimeable number, because it can be changed into a prime (7527740741) 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 31 ways as a sum of consecutive naturals, for example, 825702 + ... + 834768.

It is an arithmetic number, because the mean of its divisors is an integer number (430258464).

Almost surely, 2^7527740745 is an apocalyptic number.

It is an amenable number.

7527740745 is a deficient number, since it is larger than the sum of its proper divisors (6240530103).

7527740745 is a wasteful number, since it uses less digits than its factorization.

7527740745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16989.

The product of its (nonzero) digits is 1920800, while the sum is 48.

The square root of 7527740745 is about 86762.5538178770. The cubic root of 7527740745 is about 1959.8442144160.

The spelling of 7527740745 in words is "seven billion, five hundred twenty-seven million, seven hundred forty thousand, seven hundred forty-five".