73120005601 has 8 divisors (see below), whose sum is σ = 73847592000. Its totient is φ = 72392759472.

The previous prime is 73120005599. The next prime is 73120005613. The reversal of 73120005601 is 10650002137.

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 73120005601 - 2¹ = 73120005599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73120005641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358275 + ... + 524023.

It is an arithmetic number, because the mean of its divisors is an integer number (9230949000).

Almost surely, 2^73120005601 is an apocalyptic number.

It is an amenable number.

73120005601 is a deficient number, since it is larger than the sum of its proper divisors (727586399).

73120005601 is a wasteful number, since it uses less digits than its factorization.

73120005601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170135.

The product of its (nonzero) digits is 1260, while the sum is 25.

Adding to 73120005601 its reverse (10650002137), we get a palindrome (83770007738).

The spelling of 73120005601 in words is "seventy-three billion, one hundred twenty million, five thousand, six hundred one".