74383204997 has 4 divisors (see below), whose sum is σ = 74461752096. Its totient is φ = 74304657900.

The previous prime is 74383204957. The next prime is 74383205053. The reversal of 74383204997 is 79940238347.

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, and also an emirpimes, since its reverse is a distinct semiprime: 79940238347 = 29 ⋅2756559943.

It is a cyclic number.

It is not a de Polignac number, because 74383204997 - 2²⁰ = 74382156421 is a prime.

It is a super-2 number, since 2×74383204997² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74383204927) 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, 39272129 + ... + 39274022.

It is an arithmetic number, because the mean of its divisors is an integer number (18615438024).

Almost surely, 2^74383204997 is an apocalyptic number.

It is an amenable number.

74383204997 is a deficient number, since it is larger than the sum of its proper divisors (78547099).

74383204997 is an equidigital number, since it uses as much as digits as its factorization.

74383204997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78547098.

The product of its (nonzero) digits is 9144576, while the sum is 56.

The spelling of 74383204997 in words is "seventy-four billion, three hundred eighty-three million, two hundred four thousand, nine hundred ninety-seven".