672066071 has 2 divisors, whose sum is σ = 672066072. Its totient is φ = 672066070.

The previous prime is 672066029. The next prime is 672066077. The reversal of 672066071 is 170660276.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 672066071 - 2¹⁴ = 672049687 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (672066077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336033035 + 336033036.

It is an arithmetic number, because the mean of its divisors is an integer number (336033036).

Almost surely, 2^672066071 is an apocalyptic number.

672066071 is a deficient number, since it is larger than the sum of its proper divisors (1).

672066071 is an equidigital number, since it uses as much as digits as its factorization.

672066071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 672066071 is about 25924.2371343884. The cubic root of 672066071 is about 875.9325333076.

The spelling of 672066071 in words is "six hundred seventy-two million, sixty-six thousand, seventy-one".