71274471 has 4 divisors (see below), whose sum is σ = 95032632. Its totient is φ = 47516312.

The previous prime is 71274457. The next prime is 71274473. The reversal of 71274471 is 17447217.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17447217 = 3 ⋅5815739.

It is a cyclic number.

It is not a de Polignac number, because 71274471 - 2¹⁴ = 71258087 is a prime.

It is a super-3 number, since 3×71274471³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71274473) 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, 11879076 + ... + 11879081.

It is an arithmetic number, because the mean of its divisors is an integer number (23758158).

Almost surely, 2^71274471 is an apocalyptic number.

71274471 is a deficient number, since it is larger than the sum of its proper divisors (23758161).

71274471 is a wasteful number, since it uses less digits than its factorization.

71274471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23758160.

The product of its digits is 10976, while the sum is 33.

The square root of 71274471 is about 8442.4209205654. The cubic root of 71274471 is about 414.6146730605.

The spelling of 71274471 in words is "seventy-one million, two hundred seventy-four thousand, four hundred seventy-one".