71675005 has 4 divisors (see below), whose sum is σ = 86010012. Its totient is φ = 57340000.

The previous prime is 71674991. The next prime is 71675017. The reversal of 71675005 is 50057617.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50057617 = 6793 ⋅7369.

It can be written as a sum of positive squares in 2 ways, for example, as 26152996 + 45522009 = 5114^2 + 6747^2 .

It is not a de Polignac number, because 71675005 - 2¹¹ = 71672957 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 3 ways as a sum of consecutive naturals, for example, 7167496 + ... + 7167505.

It is an arithmetic number, because the mean of its divisors is an integer number (21502503).

Almost surely, 2^71675005 is an apocalyptic number.

It is an amenable number.

71675005 is a deficient number, since it is larger than the sum of its proper divisors (14335007).

71675005 is a wasteful number, since it uses less digits than its factorization.

71675005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14335006.

The product of its (nonzero) digits is 7350, while the sum is 31.

The square root of 71675005 is about 8466.1092008077. The cubic root of 71675005 is about 415.3898789254.

The spelling of 71675005 in words is "seventy-one million, six hundred seventy-five thousand, five".