73667340667 has 4 divisors (see below), whose sum is σ = 75380534680. Its totient is φ = 71954146656.

The previous prime is 73667340629. The next prime is 73667340739. The reversal of 73667340667 is 76604376637.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76604376637 = 89 ⋅860723333.

It is a cyclic number.

It is not a de Polignac number, because 73667340667 - 2¹⁵ = 73667307899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73667340367) 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, 856596942 + ... + 856597027.

It is an arithmetic number, because the mean of its divisors is an integer number (18845133670).

Almost surely, 2^73667340667 is an apocalyptic number.

73667340667 is a deficient number, since it is larger than the sum of its proper divisors (1713194013).

73667340667 is a wasteful number, since it uses less digits than its factorization.

73667340667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1713194012.

The product of its (nonzero) digits is 16003008, while the sum is 55.

The spelling of 73667340667 in words is "seventy-three billion, six hundred sixty-seven million, three hundred forty thousand, six hundred sixty-seven".