71384134 has 32 divisors (see below), whose sum is σ = 116619264. Its totient is φ = 32672640.

The previous prime is 71384129. The next prime is 71384147. The reversal of 71384134 is 43148317.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 71384096 and 71384105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160917 + ... + 161359.

It is an arithmetic number, because the mean of its divisors is an integer number (3644352).

Almost surely, 2^71384134 is an apocalyptic number.

71384134 is a deficient number, since it is larger than the sum of its proper divisors (45235130).

71384134 is a wasteful number, since it uses less digits than its factorization.

71384134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612.

The product of its digits is 8064, while the sum is 31.

The square root of 71384134 is about 8448.9131845463. The cubic root of 71384134 is about 414.8272063335.

The spelling of 71384134 in words is "seventy-one million, three hundred eighty-four thousand, one hundred thirty-four".