73632067816 has 16 divisors (see below), whose sum is σ = 138063665700. Its totient is φ = 36815090304.

The previous prime is 73632067811. The next prime is 73632067837. The reversal of 73632067816 is 61876023637.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 64155824100 + 9476243716 = 253290^2 + 97346^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 73632067816.

It is not an unprimeable number, because it can be changed into a prime (73632067811) 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, 301380 + ... + 487948.

Almost surely, 2^73632067816 is an apocalyptic number.

It is an amenable number.

73632067816 is a deficient number, since it is larger than the sum of its proper divisors (64431597884).

73632067816 is a wasteful number, since it uses less digits than its factorization.

73632067816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235908 (or 235904 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 49.

The spelling of 73632067816 in words is "seventy-three billion, six hundred thirty-two million, sixty-seven thousand, eight hundred sixteen".