73274892913 has 4 divisors (see below), whose sum is σ = 75638599168. Its totient is φ = 70911186660.

The previous prime is 73274892829. The next prime is 73274892941. The reversal of 73274892913 is 31929847237.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31929847237 = 28349 ⋅1126313.

It is a cyclic number.

It is not a de Polignac number, because 73274892913 - 2²⁵ = 73241338481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73274896913) 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, 1181853081 + ... + 1181853142.

It is an arithmetic number, because the mean of its divisors is an integer number (18909649792).

Almost surely, 2^73274892913 is an apocalyptic number.

It is an amenable number.

73274892913 is a deficient number, since it is larger than the sum of its proper divisors (2363706255).

73274892913 is a wasteful number, since it uses less digits than its factorization.

73274892913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2363706254.

The product of its digits is 4572288, while the sum is 55.

The spelling of 73274892913 in words is "seventy-three billion, two hundred seventy-four million, eight hundred ninety-two thousand, nine hundred thirteen".