73773722005 has 4 divisors (see below), whose sum is σ = 88528466412. Its totient is φ = 59018977600.

The previous prime is 73773721981. The next prime is 73773722039. The reversal of 73773722005 is 50022737737.

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

It can be written as a sum of positive squares in 2 ways, for example, as 56207400561 + 17566321444 = 237081^2 + 132538^2 .

It is not a de Polignac number, because 73773722005 - 2⁷ = 73773721877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7377372196 + ... + 7377372205.

It is an arithmetic number, because the mean of its divisors is an integer number (22132116603).

Almost surely, 2^73773722005 is an apocalyptic number.

It is an amenable number.

73773722005 is a deficient number, since it is larger than the sum of its proper divisors (14754744407).

73773722005 is a wasteful number, since it uses less digits than its factorization.

73773722005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14754744406.

The product of its (nonzero) digits is 432180, while the sum is 43.

The spelling of 73773722005 in words is "seventy-three billion, seven hundred seventy-three million, seven hundred twenty-two thousand, five".