74164774233243 has 4 divisors (see below), whose sum is σ = 98886365644328. Its totient is φ = 49443182822160.

The previous prime is 74164774233241. The next prime is 74164774233307. The reversal of 74164774233243 is 34233247746147.

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

It is not a de Polignac number, because 74164774233243 - 2¹ = 74164774233241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74164774233241) 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, 12360795705538 + ... + 12360795705543.

It is an arithmetic number, because the mean of its divisors is an integer number (24721591411082).

Almost surely, 2^{74164774233243} is an apocalyptic number.

74164774233243 is a deficient number, since it is larger than the sum of its proper divisors (24721591411085).

74164774233243 is a wasteful number, since it uses less digits than its factorization.

74164774233243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24721591411084.

The product of its digits is 56899584, while the sum is 57.

The spelling of 74164774233243 in words is "seventy-four trillion, one hundred sixty-four billion, seven hundred seventy-four million, two hundred thirty-three thousand, two hundred forty-three".