8120670 has 16 divisors (see below), whose sum is σ = 19489680. Its totient is φ = 2165504.

The previous prime is 8120659. The next prime is 8120677. The reversal of 8120670 is 760218.

It is a self number, because there is not a number n which added to its sum of digits gives 8120670.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8120677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135315 + ... + 135374.

It is an arithmetic number, because the mean of its divisors is an integer number (1218105).

Almost surely, 2^8120670 is an apocalyptic number.

8120670 is an abundant number, since it is smaller than the sum of its proper divisors (11369010).

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

8120670 is a wasteful number, since it uses less digits than its factorization.

8120670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270699.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 8120670 is about 2849.6789292831. The cubic root of 8120670 is about 201.0005692912. Note that the first 3 decimals are identical.

Adding to 8120670 its reverse (760218), we get a palindrome (8880888).

The spelling of 8120670 in words is "eight million, one hundred twenty thousand, six hundred seventy".