672665003 has 2 divisors, whose sum is σ = 672665004. Its totient is φ = 672665002.

The previous prime is 672664973. The next prime is 672665011. The reversal of 672665003 is 300566276.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 672665003 - 2¹² = 672660907 is a prime.

It is not a weakly prime, because it can be changed into another prime (672665033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336332501 + 336332502.

It is an arithmetic number, because the mean of its divisors is an integer number (336332502).

Almost surely, 2^672665003 is an apocalyptic number.

672665003 is a deficient number, since it is larger than the sum of its proper divisors (1).

672665003 is an equidigital number, since it uses as much as digits as its factorization.

672665003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 672665003 is about 25935.7861457871. The cubic root of 672665003 is about 876.1926606368.

The spelling of 672665003 in words is "six hundred seventy-two million, six hundred sixty-five thousand, three".