84211070 has 16 divisors (see below), whose sum is σ = 156807360. Its totient is φ = 32522784.

The previous prime is 84211069. The next prime is 84211079. The reversal of 84211070 is 7011248.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84211079) 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, 144902 + ... + 145481.

It is an arithmetic number, because the mean of its divisors is an integer number (9800460).

Almost surely, 2^84211070 is an apocalyptic number.

84211070 is a deficient number, since it is larger than the sum of its proper divisors (72596290).

84211070 is a wasteful number, since it uses less digits than its factorization.

84211070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290419.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 84211070 is about 9176.6589780813. The cubic root of 84211070 is about 438.3184266626.

The spelling of 84211070 in words is "eighty-four million, two hundred eleven thousand, seventy".