71375165731 has 8 divisors (see below), whose sum is σ = 73687670784. Its totient is φ = 69063290760.

The previous prime is 71375165717. The next prime is 71375165753. The reversal of 71375165731 is 13756157317.

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 71375165731 - 2¹⁷ = 71375034659 is a prime.

It is a super-2 number, since 2×71375165731² (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 (71375165791) 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, 78336 + ... + 385858.

It is an arithmetic number, because the mean of its divisors is an integer number (9210958848).

Almost surely, 2^71375165731 is an apocalyptic number.

71375165731 is a deficient number, since it is larger than the sum of its proper divisors (2312505053).

71375165731 is a wasteful number, since it uses less digits than its factorization.

71375165731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315041.

The product of its digits is 463050, while the sum is 46.

The spelling of 71375165731 in words is "seventy-one billion, three hundred seventy-five million, one hundred sixty-five thousand, seven hundred thirty-one".