75785918434 has 16 divisors (see below), whose sum is σ = 120396764448. Its totient is φ = 35654807872.

The previous prime is 75785918423. The next prime is 75785918441. The reversal of 75785918434 is 43481958757.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150712 + ... + 417475.

It is an arithmetic number, because the mean of its divisors is an integer number (7524797778).

Almost surely, 2^75785918434 is an apocalyptic number.

75785918434 is a deficient number, since it is larger than the sum of its proper divisors (44610846014).

75785918434 is a wasteful number, since it uses less digits than its factorization.

75785918434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572129.

The product of its digits is 33868800, while the sum is 61.

The spelling of 75785918434 in words is "seventy-five billion, seven hundred eighty-five million, nine hundred eighteen thousand, four hundred thirty-four".