1672675517 has 4 divisors (see below), whose sum is σ = 1677043200. Its totient is φ = 1668307836.

The previous prime is 1672675457. The next prime is 1672675531. The reversal of 1672675517 is 7155762761.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1672675517 - 2¹² = 1672671421 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 (1672675597) 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, 2183267 + ... + 2184032.

It is an arithmetic number, because the mean of its divisors is an integer number (419260800).

Almost surely, 2^1672675517 is an apocalyptic number.

It is an amenable number.

1672675517 is a deficient number, since it is larger than the sum of its proper divisors (4367683).

1672675517 is an equidigital number, since it uses as much as digits as its factorization.

1672675517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4367682.

The product of its digits is 617400, while the sum is 47.

The square root of 1672675517 is about 40898.3559205013. The cubic root of 1672675517 is about 1187.0542485369.

The spelling of 1672675517 in words is "one billion, six hundred seventy-two million, six hundred seventy-five thousand, five hundred seventeen".