73086804717447 has 4 divisors (see below), whose sum is σ = 97449072956600. Its totient is φ = 48724536478296.

The previous prime is 73086804717439. The next prime is 73086804717457. The reversal of 73086804717447 is 74471740868037.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 73086804717447 - 2³ = 73086804717439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73086804717457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12181134119572 + ... + 12181134119577.

It is an arithmetic number, because the mean of its divisors is an integer number (24362268239150).

Almost surely, 2^{73086804717447} is an apocalyptic number.

73086804717447 is a deficient number, since it is larger than the sum of its proper divisors (24362268239153).

73086804717447 is a wasteful number, since it uses less digits than its factorization.

73086804717447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24362268239152.

The product of its (nonzero) digits is 177020928, while the sum is 66.

The spelling of 73086804717447 in words is "seventy-three trillion, eighty-six billion, eight hundred four million, seven hundred seventeen thousand, four hundred forty-seven".