75410074557 has 6 divisors (see below), whose sum is σ = 108925663262. Its totient is φ = 50273383032.

The previous prime is 75410074543. The next prime is 75410074561. The reversal of 75410074557 is 75547001457.

It can be written as a sum of positive squares in only one way, i.e., 69978237156 + 5431837401 = 264534^2 + 73701^2 .

It is not a de Polignac number, because 75410074557 - 2¹⁹ = 75409550269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75410074507) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4189448578 + ... + 4189448595.

Almost surely, 2^75410074557 is an apocalyptic number.

It is an amenable number.

75410074557 is a deficient number, since it is larger than the sum of its proper divisors (33515588705).

75410074557 is a wasteful number, since it uses less digits than its factorization.

75410074557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8378897179 (or 8378897176 counting only the distinct ones).

The product of its (nonzero) digits is 686000, while the sum is 45.

The spelling of 75410074557 in words is "seventy-five billion, four hundred ten million, seventy-four thousand, five hundred fifty-seven".