1672572948479 has 4 divisors (see below), whose sum is σ = 1682834132376. Its totient is φ = 1662311764584.

The previous prime is 1672572948467. The next prime is 1672572948523. The reversal of 1672572948479 is 9748492752761.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1672572948479 - 2²⁸ = 1672304513023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672572948679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5130591704 + ... + 5130592029.

It is an arithmetic number, because the mean of its divisors is an integer number (420708533094).

Almost surely, 2^{1672572948479} is an apocalyptic number.

1672572948479 is a deficient number, since it is larger than the sum of its proper divisors (10261183897).

1672572948479 is a wasteful number, since it uses less digits than its factorization.

1672572948479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10261183896.

The product of its digits is 426746880, while the sum is 71.

The spelling of 1672572948479 in words is "one trillion, six hundred seventy-two billion, five hundred seventy-two million, nine hundred forty-eight thousand, four hundred seventy-nine".