73582217664 has 56 divisors (see below), whose sum is σ = 194707977360. Its totient is φ = 24524673024.

The previous prime is 73582217651. The next prime is 73582217701. The reversal of 73582217664 is 46671228537.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2448232 + ... + 2478104.

Almost surely, 2^73582217664 is an apocalyptic number.

It is an amenable number.

73582217664 is an abundant number, since it is smaller than the sum of its proper divisors (121125759696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73582217664 is a wasteful number, since it uses less digits than its factorization.

73582217664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42717 (or 42707 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 51.

The spelling of 73582217664 in words is "seventy-three billion, five hundred eighty-two million, two hundred seventeen thousand, six hundred sixty-four".