75540241731 has 16 divisors (see below), whose sum is σ = 101672091648. Its totient is φ = 49885516800.

The previous prime is 75540241717. The next prime is 75540241741. The reversal of 75540241731 is 13714204557.

It is not a de Polignac number, because 75540241731 - 2¹¹ = 75540239683 is a prime.

It is a super-2 number, since 2×75540241731² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 75540241731.

It is not an unprimeable number, because it can be changed into a prime (75540241741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89566 + ... + 398876.

It is an arithmetic number, because the mean of its divisors is an integer number (6354505728).

Almost surely, 2^75540241731 is an apocalyptic number.

75540241731 is a deficient number, since it is larger than the sum of its proper divisors (26131849917).

75540241731 is a wasteful number, since it uses less digits than its factorization.

75540241731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310082.

The product of its (nonzero) digits is 117600, while the sum is 39.

The spelling of 75540241731 in words is "seventy-five billion, five hundred forty million, two hundred forty-one thousand, seven hundred thirty-one".