75375709427 has 4 divisors (see below), whose sum is σ = 75376756056. Its totient is φ = 75374662800.

The previous prime is 75375709361. The next prime is 75375709439. The reversal of 75375709427 is 72490757357.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 75375709427 - 2³⁶ = 6656232691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75375703427) 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 3 ways as a sum of consecutive naturals, for example, 406613 + ... + 562214.

It is an arithmetic number, because the mean of its divisors is an integer number (18844189014).

Almost surely, 2^75375709427 is an apocalyptic number.

75375709427 is a deficient number, since it is larger than the sum of its proper divisors (1046629).

75375709427 is an equidigital number, since it uses as much as digits as its factorization.

75375709427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046628.

The product of its (nonzero) digits is 12965400, while the sum is 56.

The spelling of 75375709427 in words is "seventy-five billion, three hundred seventy-five million, seven hundred nine thousand, four hundred twenty-seven".