1672973679 has 8 divisors (see below), whose sum is σ = 2402218672. Its totient is φ = 1029522240.

The previous prime is 1672973669. The next prime is 1672973707. The reversal of 1672973679 is 9763792761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1672973679 - 2¹² = 1672969583 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 (1672973629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21448342 + ... + 21448419.

It is an arithmetic number, because the mean of its divisors is an integer number (300277334).

Almost surely, 2^1672973679 is an apocalyptic number.

1672973679 is a deficient number, since it is larger than the sum of its proper divisors (729244993).

1672973679 is a wasteful number, since it uses less digits than its factorization.

1672973679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42896777.

The product of its digits is 6001128, while the sum is 57.

The square root of 1672973679 is about 40902.0009168256. Note that the first 3 decimals coincide. The cubic root of 1672973679 is about 1187.1247769482.

The spelling of 1672973679 in words is "one billion, six hundred seventy-two million, nine hundred seventy-three thousand, six hundred seventy-nine".