40073003 has 2 divisors, whose sum is σ = 40073004. Its totient is φ = 40073002.

The previous prime is 40072997. The next prime is 40073009. The reversal of 40073003 is 30037004.

It is a balanced prime because it is at equal distance from previous prime (40072997) and next prime (40073009).

It is a cyclic number.

It is not a de Polignac number, because 40073003 - 2¹⁰ = 40071979 is a prime.

It is not a weakly prime, because it can be changed into another prime (40073009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20036501 + 20036502.

It is an arithmetic number, because the mean of its divisors is an integer number (20036502).

Almost surely, 2^40073003 is an apocalyptic number.

40073003 is a deficient number, since it is larger than the sum of its proper divisors (1).

40073003 is an equidigital number, since it uses as much as digits as its factorization.

40073003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 17.

The square root of 40073003 is about 6330.3240833310. The cubic root of 40073003 is about 342.2031185145.

It can be divided in two parts, 4007 and 3003, that multiplied together give a palindrome (12033021).

The spelling of 40073003 in words is "forty million, seventy-three thousand, three".