73906968871 has 4 divisors (see below), whose sum is σ = 74293916544. Its totient is φ = 73520021200.

The previous prime is 73906968859. The next prime is 73906968893. The reversal of 73906968871 is 17886960937.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17886960937 = 53 ⋅337489829.

It is a cyclic number.

It is not a de Polignac number, because 73906968871 - 2²³ = 73898580263 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 (73906968071) 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, 193473550 + ... + 193473931.

It is an arithmetic number, because the mean of its divisors is an integer number (18573479136).

Almost surely, 2^73906968871 is an apocalyptic number.

73906968871 is a deficient number, since it is larger than the sum of its proper divisors (386947673).

73906968871 is a wasteful number, since it uses less digits than its factorization.

73906968871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386947672.

The product of its (nonzero) digits is 27433728, while the sum is 64.

The spelling of 73906968871 in words is "seventy-three billion, nine hundred six million, nine hundred sixty-eight thousand, eight hundred seventy-one".