84722812 has 6 divisors (see below), whose sum is σ = 148264928. Its totient is φ = 42361404.

The previous prime is 84722801. The next prime is 84722821. The reversal of 84722812 is 21822748.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10590348 + ... + 10590355.

Almost surely, 2^84722812 is an apocalyptic number.

It is an amenable number.

84722812 is a deficient number, since it is larger than the sum of its proper divisors (63542116).

84722812 is a wasteful number, since it uses less digits than its factorization.

84722812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21180707 (or 21180705 counting only the distinct ones).

The product of its digits is 14336, while the sum is 34.

The square root of 84722812 is about 9204.4995518496. The cubic root of 84722812 is about 439.2045061874.

The spelling of 84722812 in words is "eighty-four million, seven hundred twenty-two thousand, eight hundred twelve".