84034730 has 16 divisors (see below), whose sum is σ = 162898344. Its totient is φ = 31028160.

The previous prime is 84034729. The next prime is 84034747. The reversal of 84034730 is 3743048.

It can be written as a sum of positive squares in 4 ways, for example, as 62141689 + 21893041 = 7883^2 + 4679^2 .

It is a junction number, because it is equal to n+sod(n) for n = 84034693 and 84034702.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323081 + ... + 323340.

Almost surely, 2^84034730 is an apocalyptic number.

84034730 is a deficient number, since it is larger than the sum of its proper divisors (78863614).

84034730 is a wasteful number, since it uses less digits than its factorization.

84034730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646441.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 84034730 is about 9167.0458709445. The cubic root of 84034730 is about 438.0122630929.

Adding to 84034730 its reverse (3743048), we get a palindrome (87777778).

The spelling of 84034730 in words is "eighty-four million, thirty-four thousand, seven hundred thirty".