75521434346 has 16 divisors (see below), whose sum is σ = 119278107360. Its totient is φ = 35763189840.

The previous prime is 75521434343. The next prime is 75521434399. The reversal of 75521434346 is 64343412557.

It is a junction number, because it is equal to n+sod(n) for n = 75521434297 and 75521434306.

It is not an unprimeable number, because it can be changed into a prime (75521434343) 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 7 ways as a sum of consecutive naturals, for example, 144200 + ... + 414531.

It is an arithmetic number, because the mean of its divisors is an integer number (7454881710).

Almost surely, 2^75521434346 is an apocalyptic number.

75521434346 is a deficient number, since it is larger than the sum of its proper divisors (43756673014).

75521434346 is a wasteful number, since it uses less digits than its factorization.

75521434346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562309.

The product of its digits is 1209600, while the sum is 44.

The spelling of 75521434346 in words is "seventy-five billion, five hundred twenty-one million, four hundred thirty-four thousand, three hundred forty-six".