74630665673 has 4 divisors (see below), whose sum is σ = 77875477248. Its totient is φ = 71385854100.

The previous prime is 74630665667. The next prime is 74630665741. The reversal of 74630665673 is 37656603647.

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.

It is a cyclic number.

It is not a de Polignac number, because 74630665673 - 2⁴ = 74630665657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74630665073) 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, 1622405753 + ... + 1622405798.

It is an arithmetic number, because the mean of its divisors is an integer number (19468869312).

Almost surely, 2^74630665673 is an apocalyptic number.

It is an amenable number.

74630665673 is a deficient number, since it is larger than the sum of its proper divisors (3244811575).

74630665673 is a wasteful number, since it uses less digits than its factorization.

74630665673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3244811574.

The product of its (nonzero) digits is 11430720, while the sum is 53.

The spelling of 74630665673 in words is "seventy-four billion, six hundred thirty million, six hundred sixty-five thousand, six hundred seventy-three".