84530742 has 8 divisors (see below), whose sum is σ = 169061496. Its totient is φ = 28176912.

The previous prime is 84530731. The next prime is 84530777. The reversal of 84530742 is 24703548.

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

84530742 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7044223 + ... + 7044234.

It is an arithmetic number, because the mean of its divisors is an integer number (21132687).

Almost surely, 2^84530742 is an apocalyptic number.

84530742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84530742 is a wasteful number, since it uses less digits than its factorization.

84530742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14088462.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 84530742 is about 9194.0601477258. The cubic root of 84530742 is about 438.8723570075.

The spelling of 84530742 in words is "eighty-four million, five hundred thirty thousand, seven hundred forty-two".