75540427405 has 8 divisors (see below), whose sum is σ = 91362281472. Its totient is φ = 59956496208.

The previous prime is 75540427379. The next prime is 75540427423. The reversal of 75540427405 is 50472404557.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 75540427405 - 2¹⁵ = 75540394637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 59480017 + ... + 59481286.

It is an arithmetic number, because the mean of its divisors is an integer number (11420285184).

Almost surely, 2^75540427405 is an apocalyptic number.

It is an amenable number.

75540427405 is a deficient number, since it is larger than the sum of its proper divisors (15821854067).

75540427405 is a wasteful number, since it uses less digits than its factorization.

75540427405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118961435.

The product of its (nonzero) digits is 784000, while the sum is 43.

The spelling of 75540427405 in words is "seventy-five billion, five hundred forty million, four hundred twenty-seven thousand, four hundred five".