74243046390241 has 4 divisors (see below), whose sum is σ = 74244312725184. Its totient is φ = 74241780055300.

The previous prime is 74243046390229. The next prime is 74243046390251. The reversal of 74243046390241 is 14209364034247.

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 74243046390241 - 2²⁵ = 74243012835809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74243046390251) 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, 633079525 + ... + 633196786.

It is an arithmetic number, because the mean of its divisors is an integer number (18561078181296).

Almost surely, 2^{74243046390241} is an apocalyptic number.

It is an amenable number.

74243046390241 is a deficient number, since it is larger than the sum of its proper divisors (1266334943).

74243046390241 is a wasteful number, since it uses less digits than its factorization.

74243046390241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266334942.

The product of its (nonzero) digits is 3483648, while the sum is 49.

The spelling of 74243046390241 in words is "seventy-four trillion, two hundred forty-three billion, forty-six million, three hundred ninety thousand, two hundred forty-one".