73664777569067 has 2 divisors, whose sum is σ = 73664777569068. Its totient is φ = 73664777569066.

The previous prime is 73664777569049. The next prime is 73664777569109. The reversal of 73664777569067 is 76096577746637.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73664777569067 - 2²⁴ = 73664760791851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73664777568982 and 73664777569000.

It is not a weakly prime, because it can be changed into another prime (73664777569667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36832388784533 + 36832388784534.

It is an arithmetic number, because the mean of its divisors is an integer number (36832388784534).

Almost surely, 2^{73664777569067} is an apocalyptic number.

73664777569067 is a deficient number, since it is larger than the sum of its proper divisors (1).

73664777569067 is an equidigital number, since it uses as much as digits as its factorization.

73664777569067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11762210880, while the sum is 80.

The spelling of 73664777569067 in words is "seventy-three trillion, six hundred sixty-four billion, seven hundred seventy-seven million, five hundred sixty-nine thousand, sixty-seven".