73821839147 has 8 divisors (see below), whose sum is σ = 84873014016. Its totient is φ = 62896963752.

The previous prime is 73821839099. The next prime is 73821839153. The reversal of 73821839147 is 74193812837.

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

It is not a de Polignac number, because 73821839147 - 2¹⁶ = 73821773611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73821839447) 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, 31573613 + ... + 31575950.

It is an arithmetic number, because the mean of its divisors is an integer number (10609126752).

Almost surely, 2^73821839147 is an apocalyptic number.

73821839147 is a deficient number, since it is larger than the sum of its proper divisors (11051174869).

73821839147 is a wasteful number, since it uses less digits than its factorization.

73821839147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63149737.

The product of its digits is 2032128, while the sum is 53.

The spelling of 73821839147 in words is "seventy-three billion, eight hundred twenty-one million, eight hundred thirty-nine thousand, one hundred forty-seven".