84364742 has 16 divisors (see below), whose sum is σ = 157773312. Its totient is φ = 32869320.

The previous prime is 84364729. The next prime is 84364747. The reversal of 84364742 is 24746348.

It is a junction number, because it is equal to n+sod(n) for n = 84364696 and 84364705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84364747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273758 + ... + 274065.

It is an arithmetic number, because the mean of its divisors is an integer number (9860832).

Almost surely, 2^84364742 is an apocalyptic number.

84364742 is a deficient number, since it is larger than the sum of its proper divisors (73408570).

84364742 is a wasteful number, since it uses less digits than its factorization.

84364742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547843.

The product of its digits is 129024, while the sum is 38.

The square root of 84364742 is about 9185.0281436695. The cubic root of 84364742 is about 438.5848854492.

The spelling of 84364742 in words is "eighty-four million, three hundred sixty-four thousand, seven hundred forty-two".