672001933 has 2 divisors, whose sum is σ = 672001934. Its totient is φ = 672001932.

The previous prime is 672001907. The next prime is 672001987. The reversal of 672001933 is 339100276.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 672001929 + 4 = 25923^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 672001933 - 2⁵ = 672001901 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 672001895 and 672001904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (672001903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336000966 + 336000967.

It is an arithmetic number, because the mean of its divisors is an integer number (336000967).

Almost surely, 2^672001933 is an apocalyptic number.

It is an amenable number.

672001933 is a deficient number, since it is larger than the sum of its proper divisors (1).

672001933 is an equidigital number, since it uses as much as digits as its factorization.

672001933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 672001933 is about 25923.0000771516. Note that the first 4 decimals coincide. The cubic root of 672001933 is about 875.9046678191.

The spelling of 672001933 in words is "six hundred seventy-two million, one thousand, nine hundred thirty-three".