2073403 has 2 divisors, whose sum is σ = 2073404. Its totient is φ = 2073402.

The previous prime is 2073391. The next prime is 2073457. The reversal of 2073403 is 3043702.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2073403 is a prime.

2073403 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2073103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1036701 + 1036702.

It is an arithmetic number, because the mean of its divisors is an integer number (1036702).

2^2073403 is an apocalyptic number.

2073403 is a deficient number, since it is larger than the sum of its proper divisors (1).

2073403 is an equidigital number, since it uses as much as digits as its factorization.

2073403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 19.

The square root of 2073403 is about 1439.9315955975. The cubic root of 2073403 is about 127.5149899075.

Subtracting 2073403 from its reverse (3043702), we obtain a cube (970299 = 99³).

The spelling of 2073403 in words is "two million, seventy-three thousand, four hundred three".