73037660611 has 4 divisors (see below), whose sum is σ = 73073695032. Its totient is φ = 73001626192.

The previous prime is 73037660569. The next prime is 73037660651. The reversal of 73037660611 is 11606673037.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11606673037 = 1279 ⋅9074803.

It is a cyclic number.

It is not a de Polignac number, because 73037660611 - 2¹¹ = 73037658563 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73037660651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18014170 + ... + 18018223.

It is an arithmetic number, because the mean of its divisors is an integer number (18268423758).

Almost surely, 2^73037660611 is an apocalyptic number.

73037660611 is a deficient number, since it is larger than the sum of its proper divisors (36034421).

73037660611 is a wasteful number, since it uses less digits than its factorization.

73037660611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36034420.

The product of its (nonzero) digits is 95256, while the sum is 40.

The spelling of 73037660611 in words is "seventy-three billion, thirty-seven million, six hundred sixty thousand, six hundred eleven".