84628742 has 8 divisors (see below), whose sum is σ = 138483432. Its totient is φ = 38467600.

The previous prime is 84628741. The next prime is 84628769. The reversal of 84628742 is 24782648.

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

It is a self number, because there is not a number n which added to its sum of digits gives 84628742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84628741) 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 in 3 ways as a sum of consecutive naturals, for example, 1923359 + ... + 1923402.

It is an arithmetic number, because the mean of its divisors is an integer number (17310429).

Almost surely, 2^84628742 is an apocalyptic number.

84628742 is a deficient number, since it is larger than the sum of its proper divisors (53854690).

84628742 is a wasteful number, since it uses less digits than its factorization.

84628742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3846774.

The product of its digits is 172032, while the sum is 41.

The square root of 84628742 is about 9199.3881318270. The cubic root of 84628742 is about 439.0418924916.

It can be divided in two parts, 84 and 628742, that added together give a palindrome (628826).

The spelling of 84628742 in words is "eighty-four million, six hundred twenty-eight thousand, seven hundred forty-two".