73481808305 has 32 divisors (see below), whose sum is σ = 93137817600. Its totient is φ = 55500679872.

The previous prime is 73481808251. The next prime is 73481808319. The reversal of 73481808305 is 50380818437.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 73481808305 - 2¹⁰ = 73481807281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73481808305.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51063776 + ... + 51065214.

It is an arithmetic number, because the mean of its divisors is an integer number (2910556800).

Almost surely, 2^73481808305 is an apocalyptic number.

It is an amenable number.

73481808305 is a deficient number, since it is larger than the sum of its proper divisors (19656009295).

73481808305 is a wasteful number, since it uses less digits than its factorization.

73481808305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2933.

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 73481808305 in words is "seventy-three billion, four hundred eighty-one million, eight hundred eight thousand, three hundred five".