75444214001 has 4 divisors (see below), whose sum is σ = 81247615092. Its totient is φ = 69640812912.

The previous prime is 75444213989. The next prime is 75444214051. The reversal of 75444214001 is 10041244457.

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

It can be written as a sum of positive squares in 2 ways, for example, as 47236675600 + 28207538401 = 217340^2 + 167951^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75444214001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (75444214051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2901700526 + ... + 2901700551.

It is an arithmetic number, because the mean of its divisors is an integer number (20311903773).

Almost surely, 2^75444214001 is an apocalyptic number.

It is an amenable number.

75444214001 is a deficient number, since it is larger than the sum of its proper divisors (5803401091).

75444214001 is a wasteful number, since it uses less digits than its factorization.

75444214001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5803401090.

The product of its (nonzero) digits is 17920, while the sum is 32.

Adding to 75444214001 its reverse (10041244457), we get a palindrome (85485458458).

The spelling of 75444214001 in words is "seventy-five billion, four hundred forty-four million, two hundred fourteen thousand, one".