73667777481 has 64 divisors (see below), whose sum is σ = 120994675200. Its totient is φ = 44130417408.

The previous prime is 73667777479. The next prime is 73667777507. The reversal of 73667777481 is 18477776637.

It is not a de Polignac number, because 73667777481 - 2¹ = 73667777479 is a prime.

It is a super-2 number, since 2×73667777481² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (73667777471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 611055 + ... + 721611.

It is an arithmetic number, because the mean of its divisors is an integer number (1890541800).

Almost surely, 2^73667777481 is an apocalyptic number.

It is an amenable number.

73667777481 is a deficient number, since it is larger than the sum of its proper divisors (47326897719).

73667777481 is a wasteful number, since it uses less digits than its factorization.

73667777481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110655 (or 110649 counting only the distinct ones).

The product of its digits is 58084992, while the sum is 63.

The spelling of 73667777481 in words is "seventy-three billion, six hundred sixty-seven million, seven hundred seventy-seven thousand, four hundred eighty-one".