71415 has 24 divisors (see below), whose sum is σ = 132720. Its totient is φ = 36432.

The previous prime is 71413. The next prime is 71419. The reversal of 71415 is 51417.

It is not a de Polignac number, because 71415 - 2¹ = 71413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3094 + ... + 3116.

It is an arithmetic number, because the mean of its divisors is an integer number (5530).

2⁷¹⁴¹⁵ is an apocalyptic number.

71415 is a deficient number, since it is larger than the sum of its proper divisors (61305).

71415 is a wasteful number, since it uses less digits than its factorization.

71415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60 (or 31 counting only the distinct ones).

The product of its digits is 140, while the sum is 18.

The square root of 71415 is about 267.2358508883. The cubic root of 71415 is about 41.4886987178.

It can be divided in two parts, 714 and 15, that added together give a 6-th power (729 = 3⁶).

The spelling of 71415 in words is "seventy-one thousand, four hundred fifteen".