75742241563 has 4 divisors (see below), whose sum is σ = 76160707168. Its totient is φ = 75323775960.

The previous prime is 75742241527. The next prime is 75742241593. The reversal of 75742241563 is 36514224757.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 75742241563 - 2³³ = 67152306971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75742241593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209232531 + ... + 209232892.

It is an arithmetic number, because the mean of its divisors is an integer number (19040176792).

Almost surely, 2^75742241563 is an apocalyptic number.

75742241563 is a deficient number, since it is larger than the sum of its proper divisors (418465605).

75742241563 is a wasteful number, since it uses less digits than its factorization.

75742241563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418465604.

The product of its digits is 1411200, while the sum is 46.

The spelling of 75742241563 in words is "seventy-five billion, seven hundred forty-two million, two hundred forty-one thousand, five hundred sixty-three".