73866763 has 16 divisors (see below), whose sum is σ = 78140160. Its totient is φ = 69749856.

The previous prime is 73866739. The next prime is 73866781. The reversal of 73866763 is 36766837.

It is a cyclic number.

It is not a de Polignac number, because 73866763 - 2⁹ = 73866251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73866703) 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 15 ways as a sum of consecutive naturals, for example, 205578 + ... + 205936.

It is an arithmetic number, because the mean of its divisors is an integer number (4883760).

Almost surely, 2^73866763 is an apocalyptic number.

73866763 is a deficient number, since it is larger than the sum of its proper divisors (4273397).

73866763 is a wasteful number, since it uses less digits than its factorization.

73866763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546.

The product of its digits is 762048, while the sum is 46.

The square root of 73866763 is about 8594.5775347017. The cubic root of 73866763 is about 419.5815238458.

The spelling of 73866763 in words is "seventy-three million, eight hundred sixty-six thousand, seven hundred sixty-three".