1728368072854 has 8 divisors (see below), whose sum is σ = 2593270875888. Its totient is φ = 863944447560.

The previous prime is 1728368072819. The next prime is 1728368072857. The reversal of 1728368072854 is 4582708638271.

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

It is a super-2 number, since 2×1728368072854² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1728368072792 and 1728368072801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1728368072857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119785417 + ... + 119799844.

It is an arithmetic number, because the mean of its divisors is an integer number (324158859486).

Almost surely, 2^{1728368072854} is an apocalyptic number.

1728368072854 is a deficient number, since it is larger than the sum of its proper divisors (864902803034).

1728368072854 is a wasteful number, since it uses less digits than its factorization.

1728368072854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239588870.

The product of its (nonzero) digits is 36126720, while the sum is 61.

The spelling of 1728368072854 in words is "one trillion, seven hundred twenty-eight billion, three hundred sixty-eight million, seventy-two thousand, eight hundred fifty-four".