84656072 has 12 divisors (see below), whose sum is σ = 158778945. Its totient is φ = 42315024.

The previous prime is 84656063. The next prime is 84656083. The reversal of 84656072 is 27065648.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 48246916 + 36409156 = 6946^2 + 6034^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=6506.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 24398 + ... + 27650.

Almost surely, 2^84656072 is an apocalyptic number.

It is an amenable number.

84656072 is a deficient number, since it is larger than the sum of its proper divisors (74122873).

84656072 is an frugal number, since it uses more digits than its factorization.

84656072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6512 (or 3255 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 84656072 is about 9200.8734367994. The cubic root of 84656072 is about 439.0891487910.

The spelling of 84656072 in words is "eighty-four million, six hundred fifty-six thousand, seventy-two".