84722056 has 8 divisors (see below), whose sum is σ = 158853870. Its totient is φ = 42361024.

The previous prime is 84722051. The next prime is 84722063. The reversal of 84722056 is 65022748.

It can be written as a sum of positive squares in only one way, i.e., 74545956 + 10176100 = 8634^2 + 3190^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (84722051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5295121 + ... + 5295136.

Almost surely, 2^84722056 is an apocalyptic number.

It is an amenable number.

84722056 is a deficient number, since it is larger than the sum of its proper divisors (74131814).

84722056 is a wasteful number, since it uses less digits than its factorization.

84722056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10590263 (or 10590259 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 84722056 is about 9204.4584848865. The cubic root of 84722056 is about 439.2031998112.

The spelling of 84722056 in words is "eighty-four million, seven hundred twenty-two thousand, fifty-six".