864174642 has 8 divisors (see below), whose sum is σ = 1728349296. Its totient is φ = 288058212.

The previous prime is 864174613. The next prime is 864174659. The reversal of 864174642 is 246471468.

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

864174642 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 864174594 and 864174603.

It is an unprimeable number.

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, 72014548 + ... + 72014559.

It is an arithmetic number, because the mean of its divisors is an integer number (216043662).

Almost surely, 2^864174642 is an apocalyptic number.

864174642 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.

864174642 is a wasteful number, since it uses less digits than its factorization.

864174642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144029112.

The product of its digits is 258048, while the sum is 42.

The square root of 864174642 is about 29396.8474840415. The cubic root of 864174642 is about 952.5047997499.

The spelling of 864174642 in words is "eight hundred sixty-four million, one hundred seventy-four thousand, six hundred forty-two".