71375005 has 8 divisors (see below), whose sum is σ = 92238552. Its totient is φ = 52707648.

The previous prime is 71374987. The next prime is 71375011. The reversal of 71375005 is 50057317.

It can be written as a sum of positive squares in 4 ways, for example, as 1267876 + 70107129 = 1126^2 + 8373^2 .

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 71375005 - 2¹⁵ = 71342237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 548974 + ... + 549103.

It is an arithmetic number, because the mean of its divisors is an integer number (11529819).

Almost surely, 2^71375005 is an apocalyptic number.

It is an amenable number.

71375005 is a deficient number, since it is larger than the sum of its proper divisors (20863547).

71375005 is a wasteful number, since it uses less digits than its factorization.

71375005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098095.

The product of its (nonzero) digits is 3675, while the sum is 28.

The square root of 71375005 is about 8448.3729202729. The cubic root of 71375005 is about 414.8095221097.

The spelling of 71375005 in words is "seventy-one million, three hundred seventy-five thousand, five".