84582742 has 4 divisors (see below), whose sum is σ = 126874116. Its totient is φ = 42291370.

The previous prime is 84582721. The next prime is 84582749. The reversal of 84582742 is 24728548.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 84582695 and 84582704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84582749) by changing a digit.

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 as a sum of consecutive naturals, namely, 21145684 + ... + 21145687.

It is an arithmetic number, because the mean of its divisors is an integer number (31718529).

Almost surely, 2^84582742 is an apocalyptic number.

84582742 is a deficient number, since it is larger than the sum of its proper divisors (42291374).

84582742 is a wasteful number, since it uses less digits than its factorization.

84582742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42291373.

The product of its digits is 143360, while the sum is 40.

The square root of 84582742 is about 9196.8876257134. The cubic root of 84582742 is about 438.9623309193.

The spelling of 84582742 in words is "eighty-four million, five hundred eighty-two thousand, seven hundred forty-two".