70865271 has 12 divisors (see below), whose sum is σ = 103512240. Its totient is φ = 46712160.

The previous prime is 70865243. The next prime is 70865303. The reversal of 70865271 is 17256807.

It is not a de Polignac number, because 70865271 - 2¹¹ = 70863223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70865771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43435 + ... + 45036.

It is an arithmetic number, because the mean of its divisors is an integer number (8626020).

Almost surely, 2^70865271 is an apocalyptic number.

70865271 is a deficient number, since it is larger than the sum of its proper divisors (32646969).

70865271 is a wasteful number, since it uses less digits than its factorization.

70865271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88566 (or 88563 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 70865271 is about 8418.1512816057. The cubic root of 70865271 is about 413.8196897365.

The spelling of 70865271 in words is "seventy million, eight hundred sixty-five thousand, two hundred seventy-one".