75445755754457 has 8 divisors (see below), whose sum is σ = 82305171449472. Its totient is φ = 68586458497200.

The previous prime is 75445755754429. The next prime is 75445755754471.

75445755754457 is nontrivially palindromic in base 10.

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 75445755754457 - 2¹⁶ = 75445755688921 is a prime.

It is a super-2 number, since 2×75445755754457² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75445755754477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28274894 + ... + 30827927.

It is an arithmetic number, because the mean of its divisors is an integer number (10288146431184).

Almost surely, 2^{75445755754457} is an apocalyptic number.

It is an amenable number.

75445755754457 is a deficient number, since it is larger than the sum of its proper divisors (6859415695015).

75445755754457 is a wasteful number, since it uses less digits than its factorization.

75445755754457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59218879.

The product of its digits is 9604000000, while the sum is 74.

The spelling of 75445755754457 in words is "seventy-five trillion, four hundred forty-five billion, seven hundred fifty-five million, seven hundred fifty-four thousand, four hundred fifty-seven".