1672930417 has 4 divisors (see below), whose sum is σ = 1680236020. Its totient is φ = 1665624816.

The previous prime is 1672930393. The next prime is 1672930423. The reversal of 1672930417 is 7140392761.

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

It can be written as a sum of positive squares in 2 ways, for example, as 744143841 + 928786576 = 27279^2 + 30476^2 .

It is a cyclic number.

It is not a de Polignac number, because 1672930417 - 2⁷ = 1672930289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1672930417.

It is not an unprimeable number, because it can be changed into a prime (1672930817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3652458 + ... + 3652915.

It is an arithmetic number, because the mean of its divisors is an integer number (420059005).

Almost surely, 2^1672930417 is an apocalyptic number.

It is an amenable number.

1672930417 is a deficient number, since it is larger than the sum of its proper divisors (7305603).

1672930417 is an equidigital number, since it uses as much as digits as its factorization.

1672930417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7305602.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 1672930417 is about 40901.4720639734. The cubic root of 1672930417 is about 1187.1145441045.

The spelling of 1672930417 in words is "one billion, six hundred seventy-two million, nine hundred thirty thousand, four hundred seventeen".