672001417 has 2 divisors, whose sum is σ = 672001418. Its totient is φ = 672001416.

The previous prime is 672001397. The next prime is 672001423. The reversal of 672001417 is 714100276.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 631818496 + 40182921 = 25136^2 + 6339^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-672001417 is a prime.

It is not a weakly prime, because it can be changed into another prime (672002417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336000708 + 336000709.

It is an arithmetic number, because the mean of its divisors is an integer number (336000709).

Almost surely, 2^672001417 is an apocalyptic number.

It is an amenable number.

672001417 is a deficient number, since it is larger than the sum of its proper divisors (1).

672001417 is an equidigital number, since it uses as much as digits as its factorization.

672001417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 672001417 is about 25922.9901245979. The cubic root of 672001417 is about 875.9044436298.

The spelling of 672001417 in words is "six hundred seventy-two million, one thousand, four hundred seventeen".