84206071 has 4 divisors (see below), whose sum is σ = 85392144. Its totient is φ = 83020000.

The previous prime is 84206063. The next prime is 84206099. The reversal of 84206071 is 17060248.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 84206071 - 2³ = 84206063 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 (84206041) 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, 592930 + ... + 593071.

It is an arithmetic number, because the mean of its divisors is an integer number (21348036).

Almost surely, 2^84206071 is an apocalyptic number.

84206071 is a deficient number, since it is larger than the sum of its proper divisors (1186073).

84206071 is a wasteful number, since it uses less digits than its factorization.

84206071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186072.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 84206071 is about 9176.3865982205. The cubic root of 84206071 is about 438.3097532298.

The spelling of 84206071 in words is "eighty-four million, two hundred six thousand, seventy-one".