1724672442 has 8 divisors (see below), whose sum is σ = 3449344896. Its totient is φ = 574890812.

The previous prime is 1724672407. The next prime is 1724672449. The reversal of 1724672442 is 2442764271.

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

1724672442 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1724672442.

It is not an unprimeable number, because it can be changed into a prime (1724672449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143722698 + ... + 143722709.

It is an arithmetic number, because the mean of its divisors is an integer number (431168112).

Almost surely, 2^1724672442 is an apocalyptic number.

1724672442 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.

1724672442 is a wasteful number, since it uses less digits than its factorization.

1724672442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287445412.

The product of its digits is 150528, while the sum is 39.

The square root of 1724672442 is about 41529.1757924474. The cubic root of 1724672442 is about 1199.2292369874.

The spelling of 1724672442 in words is "one billion, seven hundred twenty-four million, six hundred seventy-two thousand, four hundred forty-two".