73667537603 has 8 divisors (see below), whose sum is σ = 80370784560. Its totient is φ = 66965323680.

The previous prime is 73667537579. The next prime is 73667537609. The reversal of 73667537603 is 30673576637.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73667537603 - 2²⁶ = 73600428739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73667537609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105200 + ... + 397997.

It is an arithmetic number, because the mean of its divisors is an integer number (10046348070).

Almost surely, 2^73667537603 is an apocalyptic number.

73667537603 is a deficient number, since it is larger than the sum of its proper divisors (6703246957).

73667537603 is a wasteful number, since it uses less digits than its factorization.

73667537603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516517.

The product of its (nonzero) digits is 10001880, while the sum is 53.

The spelling of 73667537603 in words is "seventy-three billion, six hundred sixty-seven million, five hundred thirty-seven thousand, six hundred three".