75684105331 has 4 divisors (see below), whose sum is σ = 75832797600. Its totient is φ = 75535413064.

The previous prime is 75684105313. The next prime is 75684105377. The reversal of 75684105331 is 13350148657.

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

It is a cyclic number.

It is not a de Polignac number, because 75684105331 - 2²¹ = 75682008179 is a prime.

It is a super-2 number, since 2×75684105331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75684103331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74345371 + ... + 74346388.

It is an arithmetic number, because the mean of its divisors is an integer number (18958199400).

Almost surely, 2^75684105331 is an apocalyptic number.

75684105331 is a deficient number, since it is larger than the sum of its proper divisors (148692269).

75684105331 is a wasteful number, since it uses less digits than its factorization.

75684105331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148692268.

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 75684105331 in words is "seventy-five billion, six hundred eighty-four million, one hundred five thousand, three hundred thirty-one".