73803220447 has 8 divisors (see below), whose sum is σ = 80547500880. Its totient is φ = 67064756160.

The previous prime is 73803220411. The next prime is 73803220451. The reversal of 73803220447 is 74402230837.

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

It is a cyclic number.

It is not a de Polignac number, because 73803220447 - 2¹¹ = 73803218399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73803200447) 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, 1427478 + ... + 1478275.

It is an arithmetic number, because the mean of its divisors is an integer number (10068437610).

Almost surely, 2^73803220447 is an apocalyptic number.

73803220447 is a deficient number, since it is larger than the sum of its proper divisors (6744280433).

73803220447 is a wasteful number, since it uses less digits than its factorization.

73803220447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2908073.

The product of its (nonzero) digits is 225792, while the sum is 40.

The spelling of 73803220447 in words is "seventy-three billion, eight hundred three million, two hundred twenty thousand, four hundred forty-seven".