71374471 has 4 divisors (see below), whose sum is σ = 81570832. Its totient is φ = 61178112.

The previous prime is 71374463. The next prime is 71374477. The reversal of 71374471 is 17447317.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17447317 = 23 ⋅758579.

It is a cyclic number.

It is not a de Polignac number, because 71374471 - 2³ = 71374463 is a prime.

It is a super-3 number, since 3×71374471³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71374477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5098170 + ... + 5098183.

It is an arithmetic number, because the mean of its divisors is an integer number (20392708).

Almost surely, 2^71374471 is an apocalyptic number.

71374471 is a deficient number, since it is larger than the sum of its proper divisors (10196361).

71374471 is a wasteful number, since it uses less digits than its factorization.

71374471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10196360.

The product of its digits is 16464, while the sum is 34.

The square root of 71374471 is about 8448.3413164952. The cubic root of 71374471 is about 414.8084876260.

The spelling of 71374471 in words is "seventy-one million, three hundred seventy-four thousand, four hundred seventy-one".