1738252138072 has 8 divisors (see below), whose sum is σ = 3259222758900. Its totient is φ = 869126069032.

The previous prime is 1738252138067. The next prime is 1738252138087. The reversal of 1738252138072 is 2708312528371.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108640758622 + ... + 108640758637.

Almost surely, 2^{1738252138072} is an apocalyptic number.

It is an amenable number.

1738252138072 is a deficient number, since it is larger than the sum of its proper divisors (1520970620828).

1738252138072 is a wasteful number, since it uses less digits than its factorization.

1738252138072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217281517265 (or 217281517261 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 49.

The spelling of 1738252138072 in words is "one trillion, seven hundred thirty-eight billion, two hundred fifty-two million, one hundred thirty-eight thousand, seventy-two".