74243044357241 has 4 divisors (see below), whose sum is σ = 74900062449012. Its totient is φ = 73586026265472.

The previous prime is 74243044357211. The next prime is 74243044357309. The reversal of 74243044357241 is 14275344034247.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9027260611600 + 65215783745641 = 3004540^2 + 8075629^2 .

It is a cyclic number.

It is not a de Polignac number, because 74243044357241 - 2⁴² = 69844997846137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74243044357241.

It is not an unprimeable number, because it can be changed into a prime (74243044357211) 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, 328509045716 + ... + 328509045941.

It is an arithmetic number, because the mean of its divisors is an integer number (18725015612253).

Almost surely, 2^{74243044357241} is an apocalyptic number.

It is an amenable number.

74243044357241 is a deficient number, since it is larger than the sum of its proper divisors (657018091771).

74243044357241 is a wasteful number, since it uses less digits than its factorization.

74243044357241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657018091770.

The product of its (nonzero) digits is 9031680, while the sum is 50.

The spelling of 74243044357241 in words is "seventy-four trillion, two hundred forty-three billion, forty-four million, three hundred fifty-seven thousand, two hundred forty-one".