84945730 has 8 divisors (see below), whose sum is σ = 152902332. Its totient is φ = 33978288.

The previous prime is 84945701. The next prime is 84945761. The reversal of 84945730 is 3754948.

It can be written as a sum of positive squares in 2 ways, for example, as 78304801 + 6640929 = 8849^2 + 2577^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4247277 + ... + 4247296.

Almost surely, 2^84945730 is an apocalyptic number.

84945730 is a deficient number, since it is larger than the sum of its proper divisors (67956602).

84945730 is a wasteful number, since it uses less digits than its factorization.

84945730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8494580.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 84945730 is about 9216.6007833691. The cubic root of 84945730 is about 439.5893724129.

The spelling of 84945730 in words is "eighty-four million, nine hundred forty-five thousand, seven hundred thirty".