1731564730012 has 36 divisors (see below), whose sum is σ = 3423927613680. Its totient is φ = 764436596352.

The previous prime is 1731564729949. The next prime is 1731564730019. The reversal of 1731564730012 is 2100374651371.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1731564730019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55668937 + ... + 55700032.

It is an arithmetic number, because the mean of its divisors is an integer number (95109100380).

Almost surely, 2^{1731564730012} is an apocalyptic number.

It is an amenable number.

1731564730012 is a deficient number, since it is larger than the sum of its proper divisors (1692362883668).

1731564730012 is a wasteful number, since it uses less digits than its factorization.

1731564730012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111369022 (or 111369007 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 40.

The spelling of 1731564730012 in words is "one trillion, seven hundred thirty-one billion, five hundred sixty-four million, seven hundred thirty thousand, twelve".