73673340400667 has 4 divisors (see below), whose sum is σ = 84198103315056. Its totient is φ = 63148577486280.

The previous prime is 73673340400619. The next prime is 73673340400669. The reversal of 73673340400667 is 76600404337637.

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

It is a cyclic number.

It is not a de Polignac number, because 73673340400667 - 2¹⁶ = 73673340335131 is a prime.

It is a super-2 number, since 2×73673340400667² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73673340400669) 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, 5262381457184 + ... + 5262381457197.

It is an arithmetic number, because the mean of its divisors is an integer number (21049525828764).

Almost surely, 2^{73673340400667} is an apocalyptic number.

73673340400667 is a deficient number, since it is larger than the sum of its proper divisors (10524762914389).

73673340400667 is a wasteful number, since it uses less digits than its factorization.

73673340400667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10524762914388.

The product of its (nonzero) digits is 32006016, while the sum is 56.

The spelling of 73673340400667 in words is "seventy-three trillion, six hundred seventy-three billion, three hundred forty million, four hundred thousand, six hundred sixty-seven".