73664777563067 has 4 divisors (see below), whose sum is σ = 74597243101920. Its totient is φ = 72732312024216.

The previous prime is 73664777563001. The next prime is 73664777563133. The reversal of 73664777563067 is 76036577746637.

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

It is an interprime number because it is at equal distance from previous prime (73664777563001) and next prime (73664777563133).

It is a cyclic number.

It is not a de Polignac number, because 73664777563067 - 2¹² = 73664777558971 is a prime.

It is a super-2 number, since 2×73664777563067² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73664777562985 and 73664777563003.

It is not an unprimeable number, because it can be changed into a prime (73664777569067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 466232769308 + ... + 466232769465.

It is an arithmetic number, because the mean of its divisors is an integer number (18649310775480).

Almost surely, 2^{73664777563067} is an apocalyptic number.

73664777563067 is a deficient number, since it is larger than the sum of its proper divisors (932465538853).

73664777563067 is an equidigital number, since it uses as much as digits as its factorization.

73664777563067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932465538852.

The product of its (nonzero) digits is 3920736960, while the sum is 74.

The spelling of 73664777563067 in words is "seventy-three trillion, six hundred sixty-four billion, seven hundred seventy-seven million, five hundred sixty-three thousand, sixty-seven".