84020670 has 24 divisors (see below), whose sum is σ = 218453976. Its totient is φ = 22405488.

The previous prime is 84020663. The next prime is 84020711. The reversal of 84020670 is 7602048.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 466692 + ... + 466871.

It is an arithmetic number, because the mean of its divisors is an integer number (9102249).

Almost surely, 2^84020670 is an apocalyptic number.

84020670 is an abundant number, since it is smaller than the sum of its proper divisors (134433306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84020670 is a wasteful number, since it uses less digits than its factorization.

84020670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933576 (or 933573 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 84020670 is about 9166.2789614980. The cubic root of 84020670 is about 437.9878335271.

The spelling of 84020670 in words is "eighty-four million, twenty thousand, six hundred seventy".