73664777563073 has 8 divisors (see below), whose sum is σ = 74227914889920. Its totient is φ = 73101652521040.

The previous prime is 73664777563001. The next prime is 73664777563133. The reversal of 73664777563073 is 37036577746637.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 73664777563073 - 2¹⁰ = 73664777562049 is a prime.

It is a super-3 number, since 3×73664777563073³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73664777562988 and 73664777563006.

It is not an unprimeable number, because it can be changed into a prime (73664777563673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9152708 + ... + 15202026.

It is an arithmetic number, because the mean of its divisors is an integer number (9278489361240).

Almost surely, 2^{73664777563073} is an apocalyptic number.

It is an amenable number.

73664777563073 is a deficient number, since it is larger than the sum of its proper divisors (563137326847).

73664777563073 is a wasteful number, since it uses less digits than its factorization.

73664777563073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6142407.

The product of its (nonzero) digits is 1960368480, while the sum is 71.

The spelling of 73664777563073 in words is "seventy-three trillion, six hundred sixty-four billion, seven hundred seventy-seven million, five hundred sixty-three thousand, seventy-three".