74468614673 has 4 divisors (see below), whose sum is σ = 74471604660. Its totient is φ = 74465624688.

The previous prime is 74468614651. The next prime is 74468614691. The reversal of 74468614673 is 37641686447.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30767966464 + 43700648209 = 175408^2 + 209047^2 .

It is a cyclic number.

It is not a de Polignac number, because 74468614673 - 2¹² = 74468610577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74468610673) 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, 1457318 + ... + 1507551.

It is an arithmetic number, because the mean of its divisors is an integer number (18617901165).

Almost surely, 2^74468614673 is an apocalyptic number.

It is an amenable number.

74468614673 is a deficient number, since it is larger than the sum of its proper divisors (2989987).

74468614673 is a wasteful number, since it uses less digits than its factorization.

74468614673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2989986.

The product of its digits is 16257024, while the sum is 56.

The spelling of 74468614673 in words is "seventy-four billion, four hundred sixty-eight million, six hundred fourteen thousand, six hundred seventy-three".