84740684 has 24 divisors (see below), whose sum is σ = 178402560. Its totient is φ = 34405776.

The previous prime is 84740657. The next prime is 84740687. The reversal of 84740684 is 48604748.

84740684 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

84740684 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (84740687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79112 + ... + 80175.

It is an arithmetic number, because the mean of its divisors is an integer number (7433440).

Almost surely, 2^84740684 is an apocalyptic number.

It is an amenable number.

84740684 is an abundant number, since it is smaller than the sum of its proper divisors (93661876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84740684 is a wasteful number, since it uses less digits than its factorization.

84740684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159317 (or 159315 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 41.

The square root of 84740684 is about 9205.4703301895. The cubic root of 84740684 is about 439.2353869340.

The spelling of 84740684 in words is "eighty-four million, seven hundred forty thousand, six hundred eighty-four".