73072609300081 has 8 divisors (see below), whose sum is σ = 73826536462560. Its totient is φ = 72318694409088.

The previous prime is 73072609300079. The next prime is 73072609300129. The reversal of 73072609300081 is 18000390627037.

It is a happy number.

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 73072609300081 - 2¹ = 73072609300079 is a prime.

It is a super-2 number, since 2×73072609300081² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73072609300021) 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, 9152730 + ... + 15163036.

It is an arithmetic number, because the mean of its divisors is an integer number (9228317057820).

Almost surely, 2^{73072609300081} is an apocalyptic number.

It is an amenable number.

73072609300081 is a deficient number, since it is larger than the sum of its proper divisors (753927162479).

73072609300081 is a wasteful number, since it uses less digits than its factorization.

73072609300081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6135743.

The product of its (nonzero) digits is 381024, while the sum is 46.

The spelling of 73072609300081 in words is "seventy-three trillion, seventy-two billion, six hundred nine million, three hundred thousand, eighty-one".