74734734813 has 4 divisors (see below), whose sum is σ = 99646313088. Its totient is φ = 49823156540.

The previous prime is 74734734793. The next prime is 74734734847. The reversal of 74734734813 is 31843743747.

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 74734734813 - 2¹² = 74734730717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74734734883) 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, 12455789133 + ... + 12455789138.

It is an arithmetic number, because the mean of its divisors is an integer number (24911578272).

Almost surely, 2^74734734813 is an apocalyptic number.

It is an amenable number.

74734734813 is a deficient number, since it is larger than the sum of its proper divisors (24911578275).

74734734813 is a wasteful number, since it uses less digits than its factorization.

74734734813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24911578274.

The product of its digits is 4741632, while the sum is 51.

The spelling of 74734734813 in words is "seventy-four billion, seven hundred thirty-four million, seven hundred thirty-four thousand, eight hundred thirteen".