71371667 has 8 divisors (see below), whose sum is σ = 71909376. Its totient is φ = 70836552.

The previous prime is 71371637. The next prime is 71371679. The reversal of 71371667 is 76617317.

It is a happy number.

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 71371667 - 2⁶ = 71371603 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71371667.

It is not an unprimeable number, because it can be changed into a prime (71371637) 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, 117278 + ... + 117884.

It is an arithmetic number, because the mean of its divisors is an integer number (8988672).

Almost surely, 2^71371667 is an apocalyptic number.

71371667 is a deficient number, since it is larger than the sum of its proper divisors (537709).

71371667 is a wasteful number, since it uses less digits than its factorization.

71371667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297.

The product of its digits is 37044, while the sum is 38.

The square root of 71371667 is about 8448.1753651306. The cubic root of 71371667 is about 414.8030555333.

The spelling of 71371667 in words is "seventy-one million, three hundred seventy-one thousand, six hundred sixty-seven".