73000766633 has 4 divisors (see below), whose sum is σ = 73002186180. Its totient is φ = 72999347088.

The previous prime is 73000766549. The next prime is 73000766639. The reversal of 73000766633 is 33666700037.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29999279209 + 43001487424 = 173203^2 + 207368^2 .

It is a cyclic number.

It is not a de Polignac number, because 73000766633 - 2²² = 72996572329 is a prime.

It is a super-2 number, since 2×73000766633² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (73000766639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 629618 + ... + 736491.

It is an arithmetic number, because the mean of its divisors is an integer number (18250546545).

Almost surely, 2^73000766633 is an apocalyptic number.

It is an amenable number.

73000766633 is a deficient number, since it is larger than the sum of its proper divisors (1419547).

73000766633 is a wasteful number, since it uses less digits than its factorization.

73000766633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419546.

The product of its (nonzero) digits is 285768, while the sum is 41.

The spelling of 73000766633 in words is "seventy-three billion, seven hundred sixty-six thousand, six hundred thirty-three".