84070 has 16 divisors (see below), whose sum is σ = 173088. Its totient is φ = 28800.

The previous prime is 84067. The next prime is 84089. The reversal of 84070 is 7048.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 531 + ... + 670.

It is an arithmetic number, because the mean of its divisors is an integer number (10818).

2⁸⁴⁰⁷⁰ is an apocalyptic number.

84070 is an abundant number, since it is smaller than the sum of its proper divisors (89018).

It is a weird number, because it is abundant, but not a pseudoperfect number.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86544).

84070 is a wasteful number, since it uses less digits than its factorization.

84070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 84070 is about 289.9482712485. The cubic root of 84070 is about 43.8073533521.

The spelling of 84070 in words is "eighty-four thousand, seventy".