73564234655 has 16 divisors (see below), whose sum is σ = 92500669440. Its totient is φ = 56057076768.

The previous prime is 73564234643. The next prime is 73564234669. The reversal of 73564234655 is 55643246537.

It is a cyclic number.

It is not a de Polignac number, because 73564234655 - 2³⁰ = 72490492831 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1310777 + ... + 1365746.

It is an arithmetic number, because the mean of its divisors is an integer number (5781291840).

Almost surely, 2^73564234655 is an apocalyptic number.

73564234655 is a deficient number, since it is larger than the sum of its proper divisors (18936434785).

73564234655 is a wasteful number, since it uses less digits than its factorization.

73564234655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2676790.

The product of its digits is 9072000, while the sum is 50.

The spelling of 73564234655 in words is "seventy-three billion, five hundred sixty-four million, two hundred thirty-four thousand, six hundred fifty-five".