73676147317 has 4 divisors (see below), whose sum is σ = 73677061420. Its totient is φ = 73675233216.

The previous prime is 73676147309. The next prime is 73676147351. The reversal of 73676147317 is 71374167637.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71374167637 = 41 ⋅1740833357.

It can be written as a sum of positive squares in 2 ways, for example, as 66460324401 + 7215822916 = 257799^2 + 84946^2 .

It is a cyclic number.

It is not a de Polignac number, because 73676147317 - 2³ = 73676147309 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 (73676147387) 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, 323058 + ... + 501715.

It is an arithmetic number, because the mean of its divisors is an integer number (18419265355).

Almost surely, 2^73676147317 is an apocalyptic number.

It is an amenable number.

73676147317 is a deficient number, since it is larger than the sum of its proper divisors (914103).

73676147317 is an equidigital number, since it uses as much as digits as its factorization.

73676147317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914102.

The product of its digits is 3111696, while the sum is 52.

The spelling of 73676147317 in words is "seventy-three billion, six hundred seventy-six million, one hundred forty-seven thousand, three hundred seventeen".