75973470445 has 8 divisors (see below), whose sum is σ = 91187702136. Its totient is φ = 60765751296.

The previous prime is 75973470439. The next prime is 75973470457. The reversal of 75973470445 is 54407437957.

It can be written as a sum of positive squares in 4 ways, for example, as 53033944681 + 22939525764 = 230291^2 + 151458^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 75973470445 - 2³ = 75973470437 is a prime.

It is a super-2 number, since 2×75973470445² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1602432 + ... + 1649161.

It is an arithmetic number, because the mean of its divisors is an integer number (11398462767).

Almost surely, 2^75973470445 is an apocalyptic number.

It is an amenable number.

75973470445 is a deficient number, since it is larger than the sum of its proper divisors (15214231691).

75973470445 is a wasteful number, since it uses less digits than its factorization.

75973470445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3256271.

The product of its (nonzero) digits is 14817600, while the sum is 55.

The spelling of 75973470445 in words is "seventy-five billion, nine hundred seventy-three million, four hundred seventy thousand, four hundred forty-five".