73927213313 has 4 divisors (see below), whose sum is σ = 73955144640. Its totient is φ = 73899281988.

The previous prime is 73927213309. The next prime is 73927213333. The reversal of 73927213313 is 31331272937.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31331272937 = 20269 ⋅1545773.

It is a cyclic number.

It is not a de Polignac number, because 73927213313 - 2² = 73927213309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73927213333) 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, 13961693 + ... + 13966986.

It is an arithmetic number, because the mean of its divisors is an integer number (18488786160).

Almost surely, 2^73927213313 is an apocalyptic number.

It is an amenable number.

73927213313 is a deficient number, since it is larger than the sum of its proper divisors (27931327).

73927213313 is a wasteful number, since it uses less digits than its factorization.

73927213313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27931326.

The product of its digits is 142884, while the sum is 41.

The spelling of 73927213313 in words is "seventy-three billion, nine hundred twenty-seven million, two hundred thirteen thousand, three hundred thirteen".