1672233789 has 8 divisors (see below), whose sum is σ = 2243324512. Its totient is φ = 1107982800.

The previous prime is 1672233779. The next prime is 1672233811. The reversal of 1672233789 is 9873322761.

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

It is not a de Polignac number, because 1672233789 - 2¹² = 1672229693 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 (1672233779) 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, 1709362 + ... + 1710339.

It is an arithmetic number, because the mean of its divisors is an integer number (280415564).

Almost surely, 2^1672233789 is an apocalyptic number.

It is an amenable number.

1672233789 is a deficient number, since it is larger than the sum of its proper divisors (571090723).

1672233789 is a wasteful number, since it uses less digits than its factorization.

1672233789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3419867.

The product of its digits is 762048, while the sum is 48.

The square root of 1672233789 is about 40892.9552490401. The cubic root of 1672233789 is about 1186.9497450515.

The spelling of 1672233789 in words is "one billion, six hundred seventy-two million, two hundred thirty-three thousand, seven hundred eighty-nine".