75243660027 has 16 divisors (see below), whose sum is σ = 105769426560. Its totient is φ = 47448381312.

The previous prime is 75243659987. The next prime is 75243660073. The reversal of 75243660027 is 72006634257.

It is not a de Polignac number, because 75243660027 - 2¹⁰ = 75243659003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75243660827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 989838 + ... + 1063139.

It is an arithmetic number, because the mean of its divisors is an integer number (6610589160).

Almost surely, 2^75243660027 is an apocalyptic number.

75243660027 is a deficient number, since it is larger than the sum of its proper divisors (30525766533).

75243660027 is a wasteful number, since it uses less digits than its factorization.

75243660027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053642.

The product of its (nonzero) digits is 423360, while the sum is 42.

The spelling of 75243660027 in words is "seventy-five billion, two hundred forty-three million, six hundred sixty thousand, twenty-seven".