71384385 has 8 divisors (see below), whose sum is σ = 114215040. Its totient is φ = 38071664.

The previous prime is 71384371. The next prime is 71384393. The reversal of 71384385 is 58348317.

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 71384385 - 2⁵ = 71384353 is a prime.

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, 2379465 + ... + 2379494.

It is an arithmetic number, because the mean of its divisors is an integer number (14276880).

Almost surely, 2^71384385 is an apocalyptic number.

It is an amenable number.

71384385 is a deficient number, since it is larger than the sum of its proper divisors (42830655).

71384385 is a wasteful number, since it uses less digits than its factorization.

71384385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4758967.

The product of its digits is 80640, while the sum is 39.

The square root of 71384385 is about 8448.9280385147. The cubic root of 71384385 is about 414.8276925364.

The spelling of 71384385 in words is "seventy-one million, three hundred eighty-four thousand, three hundred eighty-five".