1672744381975 has 12 divisors (see below), whose sum is σ = 2086623416304. Its totient is φ = 1330182355520.

The previous prime is 1672744381927. The next prime is 1672744381999. The reversal of 1672744381975 is 5791834472761.

It is not a de Polignac number, because 1672744381975 - 2³⁹ = 1122988568087 is a prime.

It is a Duffinian number.

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 in 11 ways as a sum of consecutive naturals, for example, 200324494 + ... + 200332843.

It is an arithmetic number, because the mean of its divisors is an integer number (173885284692).

Almost surely, 2^{1672744381975} is an apocalyptic number.

1672744381975 is a deficient number, since it is larger than the sum of its proper divisors (413879034329).

1672744381975 is a wasteful number, since it uses less digits than its factorization.

1672744381975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400657514 (or 400657509 counting only the distinct ones).

The product of its digits is 71124480, while the sum is 64.

The spelling of 1672744381975 in words is "one trillion, six hundred seventy-two billion, seven hundred forty-four million, three hundred eighty-one thousand, nine hundred seventy-five".