84730868 has 6 divisors (see below), whose sum is σ = 148279026. Its totient is φ = 42365432.

The previous prime is 84730831. The next prime is 84730871. The reversal of 84730868 is 86803748.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 84125584 + 605284 = 9172^2 + 778^2 .

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, 10591355 + ... + 10591362.

It is an arithmetic number, because the mean of its divisors is an integer number (24713171).

Almost surely, 2^84730868 is an apocalyptic number.

It is an amenable number.

84730868 is a deficient number, since it is larger than the sum of its proper divisors (63548158).

84730868 is a wasteful number, since it uses less digits than its factorization.

84730868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21182721 (or 21182719 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 84730868 is about 9204.9371535063. The cubic root of 84730868 is about 439.2184265601.

The spelling of 84730868 in words is "eighty-four million, seven hundred thirty thousand, eight hundred sixty-eight".