1727620421034 has 8 divisors (see below), whose sum is σ = 3455240842080. Its totient is φ = 575873473676.

The previous prime is 1727620421017. The next prime is 1727620421041. The reversal of 1727620421034 is 4301240267271.

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

1727620421034 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1727620420983 and 1727620421001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143968368414 + ... + 143968368425.

It is an arithmetic number, because the mean of its divisors is an integer number (431905105260).

Almost surely, 2^{1727620421034} is an apocalyptic number.

1727620421034 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.

1727620421034 is a wasteful number, since it uses less digits than its factorization.

1727620421034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287936736844.

The product of its (nonzero) digits is 112896, while the sum is 39.

The spelling of 1727620421034 in words is "one trillion, seven hundred twenty-seven billion, six hundred twenty million, four hundred twenty-one thousand, thirty-four".