75744226663 has 4 divisors (see below), whose sum is σ = 86564830480. Its totient is φ = 64923622848.

The previous prime is 75744226661. The next prime is 75744226697. The reversal of 75744226663 is 36662244757.

It is a happy number.

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

It is not a de Polignac number, because 75744226663 - 2¹ = 75744226661 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75744226663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75744226661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5410301898 + ... + 5410301911.

It is an arithmetic number, because the mean of its divisors is an integer number (21641207620).

Almost surely, 2^75744226663 is an apocalyptic number.

75744226663 is a deficient number, since it is larger than the sum of its proper divisors (10820603817).

75744226663 is a wasteful number, since it uses less digits than its factorization.

75744226663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10820603816.

The product of its digits is 10160640, while the sum is 52.

The spelling of 75744226663 in words is "seventy-five billion, seven hundred forty-four million, two hundred twenty-six thousand, six hundred sixty-three".