70711471 has 2 divisors, whose sum is σ = 70711472. Its totient is φ = 70711470.

The previous prime is 70711463. The next prime is 70711481. The reversal of 70711471 is 17411707.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70711471 - 2³ = 70711463 is a prime.

It is a super-3 number, since 3×70711471³ (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 a weakly prime, because it can be changed into another prime (70711481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35355735 + 35355736.

It is an arithmetic number, because the mean of its divisors is an integer number (35355736).

Almost surely, 2^70711471 is an apocalyptic number.

70711471 is a deficient number, since it is larger than the sum of its proper divisors (1).

70711471 is an equidigital number, since it uses as much as digits as its factorization.

70711471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1372, while the sum is 28.

The square root of 70711471 is about 8409.0112974118. The cubic root of 70711471 is about 413.5200997936.

The spelling of 70711471 in words is "seventy million, seven hundred eleven thousand, four hundred seventy-one".