73766003 has 4 divisors (see below), whose sum is σ = 74072328. Its totient is φ = 73459680.

The previous prime is 73765963. The next prime is 73766023. The reversal of 73766003 is 30066737.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30066737 = 647 ⋅46471.

It is a cyclic number.

It is not a de Polignac number, because 73766003 - 2¹² = 73761907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73766023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152801 + ... + 153282.

It is an arithmetic number, because the mean of its divisors is an integer number (18518082).

Almost surely, 2^73766003 is an apocalyptic number.

73766003 is a deficient number, since it is larger than the sum of its proper divisors (306325).

73766003 is a wasteful number, since it uses less digits than its factorization.

73766003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306324.

The product of its (nonzero) digits is 15876, while the sum is 32.

The square root of 73766003 is about 8588.7136988026. The cubic root of 73766003 is about 419.3906564414.

The spelling of 73766003 in words is "seventy-three million, seven hundred sixty-six thousand, three".