84247270 has 8 divisors (see below), whose sum is σ = 151645104. Its totient is φ = 33698904.

The previous prime is 84247237. The next prime is 84247297. The reversal of 84247270 is 7274248.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4212354 + ... + 4212373.

It is an arithmetic number, because the mean of its divisors is an integer number (18955638).

Almost surely, 2^84247270 is an apocalyptic number.

84247270 is a deficient number, since it is larger than the sum of its proper divisors (67397834).

84247270 is a wasteful number, since it uses less digits than its factorization.

84247270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8424734.

The product of its (nonzero) digits is 25088, while the sum is 34.

The square root of 84247270 is about 9178.6311615622. The cubic root of 84247270 is about 438.3812246375.

The spelling of 84247270 in words is "eighty-four million, two hundred forty-seven thousand, two hundred seventy".