1672645475472 has 40 divisors (see below), whose sum is σ = 4321078284480. Its totient is φ = 557538495360.

The previous prime is 1672645475411. The next prime is 1672645475507. The reversal of 1672645475472 is 2745745462761.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2690197 + ... + 3253067.

It is an arithmetic number, because the mean of its divisors is an integer number (108026957112).

Almost surely, 2^{1672645475472} is an apocalyptic number.

1672645475472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1672645475472 is an abundant number, since it is smaller than the sum of its proper divisors (2648432809008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1672645475472 is a wasteful number, since it uses less digits than its factorization.

1672645475472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624791 (or 624785 counting only the distinct ones).

The product of its digits is 79027200, while the sum is 60.

The spelling of 1672645475472 in words is "one trillion, six hundred seventy-two billion, six hundred forty-five million, four hundred seventy-five thousand, four hundred seventy-two".