83420718 has 24 divisors (see below), whose sum is σ = 171630648. Its totient is φ = 27011232.

The previous prime is 83420713. The next prime is 83420719. The reversal of 83420718 is 81702438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83420713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135780 + ... + 136392.

It is an arithmetic number, because the mean of its divisors is an integer number (7151277).

Almost surely, 2^83420718 is an apocalyptic number.

83420718 is an abundant number, since it is smaller than the sum of its proper divisors (88209930).

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

83420718 is an equidigital number, since it uses as much as digits as its factorization.

83420718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268 (or 655 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 83420718 is about 9133.4942929856. The cubic root of 83420718 is about 436.9428541088.

The spelling of 83420718 in words is "eighty-three million, four hundred twenty thousand, seven hundred eighteen".