73729797747 has 8 divisors (see below), whose sum is σ = 100398022656. Its totient is φ = 48107385672.

The previous prime is 73729797733. The next prime is 73729797829. The reversal of 73729797747 is 74779792737.

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

It is not a de Polignac number, because 73729797747 - 2⁶ = 73729797683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73729795747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261453043 + ... + 261453324.

It is an arithmetic number, because the mean of its divisors is an integer number (12549752832).

Almost surely, 2^73729797747 is an apocalyptic number.

73729797747 is a deficient number, since it is larger than the sum of its proper divisors (26668224909).

73729797747 is a wasteful number, since it uses less digits than its factorization.

73729797747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522906417.

The product of its digits is 228709656, while the sum is 69.

The spelling of 73729797747 in words is "seventy-three billion, seven hundred twenty-nine million, seven hundred ninety-seven thousand, seven hundred forty-seven".