74683707713 has 4 divisors (see below), whose sum is σ = 74697510228. Its totient is φ = 74669905200.

The previous prime is 74683707689. The next prime is 74683707781. The reversal of 74683707713 is 31770738647.

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 15258919729 + 59424787984 = 123527^2 + 243772^2 .

It is a cyclic number.

It is not a de Polignac number, because 74683707713 - 2⁸ = 74683707457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74683707013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6893138 + ... + 6903963.

It is an arithmetic number, because the mean of its divisors is an integer number (18674377557).

Almost surely, 2^74683707713 is an apocalyptic number.

It is an amenable number.

74683707713 is a deficient number, since it is larger than the sum of its proper divisors (13802515).

74683707713 is a wasteful number, since it uses less digits than its factorization.

74683707713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13802514.

The product of its (nonzero) digits is 4148928, while the sum is 53.

The spelling of 74683707713 in words is "seventy-four billion, six hundred eighty-three million, seven hundred seven thousand, seven hundred thirteen".