74447332645113 has 12 divisors (see below), whose sum is σ = 107537381340480. Its totient is φ = 49630472651736.

The previous prime is 74447332645079. The next prime is 74447332645157. The reversal of 74447332645113 is 31154623374447.

74447332645113 is a `hidden beast` number, since 74 + 4 + 4 + 7 + 33 + 26 + 4 + 511 + 3 = 666.

It is not a de Polignac number, because 74447332645113 - 2²⁰ = 74447331596537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74447332645113.

It is not an unprimeable number, because it can be changed into a prime (74447332645613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89768053 + ... + 90593586.

It is an arithmetic number, because the mean of its divisors is an integer number (8961448445040).

Almost surely, 2^{74447332645113} is an apocalyptic number.

It is an amenable number.

74447332645113 is a deficient number, since it is larger than the sum of its proper divisors (33090048695367).

74447332645113 is a wasteful number, since it uses less digits than its factorization.

74447332645113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180407508 (or 180407505 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 54.

The spelling of 74447332645113 in words is "seventy-four trillion, four hundred forty-seven billion, three hundred thirty-two million, six hundred forty-five thousand, one hundred thirteen".