84312718 has 32 divisors (see below), whose sum is σ = 148262400. Its totient is φ = 35212320.

The previous prime is 84312703. The next prime is 84312727. The reversal of 84312718 is 81721348.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147373 + ... + 147943.

It is an arithmetic number, because the mean of its divisors is an integer number (4633200).

Almost surely, 2^84312718 is an apocalyptic number.

84312718 is a deficient number, since it is larger than the sum of its proper divisors (63949682).

84312718 is a wasteful number, since it uses less digits than its factorization.

84312718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832.

The product of its digits is 10752, while the sum is 34.

The square root of 84312718 is about 9182.1957069102. The cubic root of 84312718 is about 438.4947149538.

The spelling of 84312718 in words is "eighty-four million, three hundred twelve thousand, seven hundred eighteen".