75522721366 has 16 divisors (see below), whose sum is σ = 113522140368. Its totient is φ = 37682064000.

The previous prime is 75522721331. The next prime is 75522721369. The reversal of 75522721366 is 66312722557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75522721369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3017781 + ... + 3042703.

It is an arithmetic number, because the mean of its divisors is an integer number (7095133773).

Almost surely, 2^75522721366 is an apocalyptic number.

75522721366 is a deficient number, since it is larger than the sum of its proper divisors (37999419002).

75522721366 is a wasteful number, since it uses less digits than its factorization.

75522721366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28047.

The product of its digits is 1058400, while the sum is 46.

The spelling of 75522721366 in words is "seventy-five billion, five hundred twenty-two million, seven hundred twenty-one thousand, three hundred sixty-six".