71270847 has 40 divisors (see below), whose sum is σ = 110421696. Its totient is φ = 45785088.

The previous prime is 71270839. The next prime is 71270861. The reversal of 71270847 is 74807217.

It is not a de Polignac number, because 71270847 - 2³ = 71270839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71270827) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 369183 + ... + 369375.

Almost surely, 2^71270847 is an apocalyptic number.

71270847 is a deficient number, since it is larger than the sum of its proper divisors (39150849).

71270847 is a wasteful number, since it uses less digits than its factorization.

71270847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349 (or 340 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 36.

The square root of 71270847 is about 8442.2062874583. The cubic root of 71270847 is about 414.6076458177.

The spelling of 71270847 in words is "seventy-one million, two hundred seventy thousand, eight hundred forty-seven".