84730864 has 10 divisors (see below), whose sum is σ = 164166080. Its totient is φ = 42365424.

The previous prime is 84730831. The next prime is 84730871. The reversal of 84730864 is 46803748.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2647824 + ... + 2647855.

It is an arithmetic number, because the mean of its divisors is an integer number (16416608).

Almost surely, 2^84730864 is an apocalyptic number.

It is an amenable number.

84730864 is a deficient number, since it is larger than the sum of its proper divisors (79435216).

84730864 is a wasteful number, since it uses less digits than its factorization.

84730864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5295687 (or 5295681 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 84730864 is about 9204.9369362316. The cubic root of 84730864 is about 439.2184196486.

The spelling of 84730864 in words is "eighty-four million, seven hundred thirty thousand, eight hundred sixty-four".