84308070 has 64 divisors (see below), whose sum is σ = 252274176. Its totient is φ = 17518080.

The previous prime is 84308053. The next prime is 84308093. The reversal of 84308070 is 7080348.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15939 + ... + 20558.

It is an arithmetic number, because the mean of its divisors is an integer number (3941784).

Almost surely, 2^84308070 is an apocalyptic number.

84308070 is an abundant number, since it is smaller than the sum of its proper divisors (167966106).

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

84308070 is a wasteful number, since it uses less digits than its factorization.

84308070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36525.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 84308070 is about 9181.9426049175. The cubic root of 84308070 is about 438.4866570121.

The spelling of 84308070 in words is "eighty-four million, three hundred eight thousand, seventy".