85321470 has 96 divisors (see below), whose sum is σ = 234567648. Its totient is φ = 19740672.

The previous prime is 85321463. The next prime is 85321499. The reversal of 85321470 is 7412358.

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 (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 112332 + ... + 113088.

It is an arithmetic number, because the mean of its divisors is an integer number (2443413).

Almost surely, 2^85321470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85321470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117283824).

85321470 is an abundant number, since it is smaller than the sum of its proper divisors (149246178).

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

85321470 is a wasteful number, since it uses less digits than its factorization.

85321470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814 (or 797 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 85321470 is about 9236.9621629625. The cubic root of 85321470 is about 440.2365635615.

The spelling of 85321470 in words is "eighty-five million, three hundred twenty-one thousand, four hundred seventy".