8070840 has 160 divisors (see below), whose sum is σ = 28226880. Its totient is φ = 2066688.

The previous prime is 8070827. The next prime is 8070851. The reversal of 8070840 is 480708.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 152254 + ... + 152306.

It is an arithmetic number, because the mean of its divisors is an integer number (176418).

Almost surely, 2^8070840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8070840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14113440).

8070840 is an abundant number, since it is smaller than the sum of its proper divisors (20156040).

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

8070840 is a wasteful number, since it uses less digits than its factorization.

8070840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 8070840 is about 2840.9223854234. The cubic root of 8070840 is about 200.5885993878.

The spelling of 8070840 in words is "eight million, seventy thousand, eight hundred forty".