84392730 has 96 divisors (see below), whose sum is σ = 228054528. Its totient is φ = 21638400.

The previous prime is 84392729. The next prime is 84392747. The reversal of 84392730 is 3729348.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 300190 + ... + 300470.

It is an arithmetic number, because the mean of its divisors is an integer number (2375568).

Almost surely, 2^84392730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84392730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114027264).

84392730 is an abundant number, since it is smaller than the sum of its proper divisors (143661798).

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

84392730 is a wasteful number, since it uses less digits than its factorization.

84392730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412 (or 409 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 84392730 is about 9186.5515837010. The cubic root of 84392730 is about 438.6333802600.

The spelling of 84392730 in words is "eighty-four million, three hundred ninety-two thousand, seven hundred thirty".