74893679717 has 4 divisors (see below), whose sum is σ = 74894613696. Its totient is φ = 74892745740.

The previous prime is 74893679713. The next prime is 74893679719. The reversal of 74893679717 is 71797639847.

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 74893679717 - 2² = 74893679713 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 (74893679713) 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, 334103 + ... + 511284.

It is an arithmetic number, because the mean of its divisors is an integer number (18723653424).

Almost surely, 2^74893679717 is an apocalyptic number.

It is an amenable number.

74893679717 is a deficient number, since it is larger than the sum of its proper divisors (933979).

74893679717 is an equidigital number, since it uses as much as digits as its factorization.

74893679717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933978.

The product of its digits is 112021056, while the sum is 68.

The spelling of 74893679717 in words is "seventy-four billion, eight hundred ninety-three million, six hundred seventy-nine thousand, seven hundred seventeen".