75710271321 has 32 divisors (see below), whose sum is σ = 117304657920. Its totient is φ = 48169856592.

The previous prime is 75710271253. The next prime is 75710271331. The reversal of 75710271321 is 12317201757.

It is a happy number.

75710271321 is a `hidden beast` number, since 7 + 57 + 10 + 271 + 321 = 666.

It is not a de Polignac number, because 75710271321 - 2¹⁵ = 75710238553 is a prime.

It is a super-4 number, since 4×75710271321⁴ (a number of 45 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (75710271331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137500 + ... + 412706.

It is an arithmetic number, because the mean of its divisors is an integer number (3665770560).

Almost surely, 2^75710271321 is an apocalyptic number.

It is an amenable number.

75710271321 is a deficient number, since it is larger than the sum of its proper divisors (41594386599).

75710271321 is a wasteful number, since it uses less digits than its factorization.

75710271321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275682 (or 275676 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 36.

The spelling of 75710271321 in words is "seventy-five billion, seven hundred ten million, two hundred seventy-one thousand, three hundred twenty-one".