1720734114356 has 18 divisors (see below), whose sum is σ = 3111556414050. Its totient is φ = 832613279280.

The previous prime is 1720734114349. The next prime is 1720734114431. The reversal of 1720734114356 is 6534114370271.

It can be written as a sum of positive squares in only one way, i.e., 1605212980900 + 115521133456 = 1266970^2 + 339884^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 223816931 + ... + 223824618.

It is an arithmetic number, because the mean of its divisors is an integer number (172864245225).

Almost surely, 2^{1720734114356} is an apocalyptic number.

It is an amenable number.

1720734114356 is a deficient number, since it is larger than the sum of its proper divisors (1390822299694).

1720734114356 is a wasteful number, since it uses less digits than its factorization.

1720734114356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447641615 (or 447641582 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 1720734114356 in words is "one trillion, seven hundred twenty billion, seven hundred thirty-four million, one hundred fourteen thousand, three hundred fifty-six".