75648140343 has 6 divisors (see below), whose sum is σ = 109269536064. Its totient is φ = 50432093556.

The previous prime is 75648140339. The next prime is 75648140357. The reversal of 75648140343 is 34304184657.

75648140343 is a `hidden beast` number, since 7 + 564 + 8 + 1 + 40 + 3 + 43 = 666.

It is not a de Polignac number, because 75648140343 - 2² = 75648140339 is a prime.

It is a super-2 number, since 2×75648140343² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75648140143) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 4202674455 + ... + 4202674472.

It is an arithmetic number, because the mean of its divisors is an integer number (18211589344).

Almost surely, 2^75648140343 is an apocalyptic number.

75648140343 is a deficient number, since it is larger than the sum of its proper divisors (33621395721).

75648140343 is a wasteful number, since it uses less digits than its factorization.

75648140343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8405348933 (or 8405348930 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 75648140343 in words is "seventy-five billion, six hundred forty-eight million, one hundred forty thousand, three hundred forty-three".