75321334393 has 8 divisors (see below), whose sum is σ = 79941443400. Its totient is φ = 70722274560.

The previous prime is 75321334391. The next prime is 75321334423. The reversal of 75321334393 is 39343312357.

It can be written as a sum of positive squares in 4 ways, for example, as 1360724544 + 73960609849 = 36888^2 + 271957^2 .

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 75321334393 - 2¹ = 75321334391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75321334391) 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, 5254918 + ... + 5269231.

It is an arithmetic number, because the mean of its divisors is an integer number (9992680425).

Almost surely, 2^75321334393 is an apocalyptic number.

It is an amenable number.

75321334393 is a deficient number, since it is larger than the sum of its proper divisors (4620109007).

75321334393 is a wasteful number, since it uses less digits than its factorization.

75321334393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10524587.

The product of its digits is 612360, while the sum is 43.

The spelling of 75321334393 in words is "seventy-five billion, three hundred twenty-one million, three hundred thirty-four thousand, three hundred ninety-three".