73660060776013 has 4 divisors (see below), whose sum is σ = 73661791105888. Its totient is φ = 73658330446140.

The previous prime is 73660060775999. The next prime is 73660060776017. The reversal of 73660060776013 is 31067706006637.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 73660060776013 - 2²⁹ = 73659523905101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73660060776017) 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, 865101081 + ... + 865186222.

It is an arithmetic number, because the mean of its divisors is an integer number (18415447776472).

Almost surely, 2^{73660060776013} is an apocalyptic number.

It is an amenable number.

73660060776013 is a deficient number, since it is larger than the sum of its proper divisors (1730329875).

73660060776013 is a wasteful number, since it uses less digits than its factorization.

73660060776013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1730329874.

The product of its (nonzero) digits is 4000752, while the sum is 52.

The spelling of 73660060776013 in words is "seventy-three trillion, six hundred sixty billion, sixty million, seven hundred seventy-six thousand, thirteen".