75734489601 has 9 divisors (see below), whose sum is σ = 109395455299. Its totient is φ = 50489109336.

The previous prime is 75734489599. The next prime is 75734489617. The reversal of 75734489601 is 10698443757.

The square root of 75734489601 is 275199.

It is a perfect power (a square), and thus also a powerful number.

75734489601 is a `hidden beast` number, since 7 + 573 + 4 + 4 + 8 + 9 + 60 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 73997600625 + 1736888976 = 272025^2 + 41676^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 75734489601 - 2¹ = 75734489599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75734489641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 779731 + ... + 871463.

Almost surely, 2^75734489601 is an apocalyptic number.

75734489601 is the 275199-th square number.

75734489601 is the 137600-th centered octagonal number.

It is an amenable number.

75734489601 is a deficient number, since it is larger than the sum of its proper divisors (33660965698).

75734489601 is an frugal number, since it uses more digits than its factorization.

75734489601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183472 (or 91736 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 75734489601 in words is "seventy-five billion, seven hundred thirty-four million, four hundred eighty-nine thousand, six hundred one".