71384811 has 8 divisors (see below), whose sum is σ = 95224464. Its totient is φ = 47567520.

The previous prime is 71384783. The next prime is 71384861. The reversal of 71384811 is 11848317.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 71384811 - 2⁵ = 71384779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71384861) 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, 4425 + ... + 12741.

It is an arithmetic number, because the mean of its divisors is an integer number (11903058).

Almost surely, 2^71384811 is an apocalyptic number.

71384811 is a deficient number, since it is larger than the sum of its proper divisors (23839653).

71384811 is a wasteful number, since it uses less digits than its factorization.

71384811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11181.

The product of its digits is 5376, while the sum is 33.

The square root of 71384811 is about 8448.9532487759. The cubic root of 71384811 is about 414.8285177227.

The spelling of 71384811 in words is "seventy-one million, three hundred eighty-four thousand, eight hundred eleven".