84705071 has 8 divisors (see below), whose sum is σ = 93072000. Its totient is φ = 76449240.

The previous prime is 84705043. The next prime is 84705073. The reversal of 84705071 is 17050748.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84705071 - 2²² = 80510767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84705073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26171 + ... + 29228.

It is an arithmetic number, because the mean of its divisors is an integer number (11634000).

Almost surely, 2^84705071 is an apocalyptic number.

84705071 is a deficient number, since it is larger than the sum of its proper divisors (8366929).

84705071 is a wasteful number, since it uses less digits than its factorization.

84705071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55549.

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 84705071 is about 9203.5357879458. The cubic root of 84705071 is about 439.1738474982.

The spelling of 84705071 in words is "eighty-four million, seven hundred five thousand, seventy-one".