74706081947 has 8 divisors (see below), whose sum is σ = 85440574176. Its totient is φ = 63987138432.

The previous prime is 74706081917. The next prime is 74706081971. The reversal of 74706081947 is 74918060747.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74706081947 - 2¹⁰ = 74706080923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74706081907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3876878 + ... + 3896099.

It is an arithmetic number, because the mean of its divisors is an integer number (10680071772).

Almost surely, 2^74706081947 is an apocalyptic number.

74706081947 is a deficient number, since it is larger than the sum of its proper divisors (10734492229).

74706081947 is a wasteful number, since it uses less digits than its factorization.

74706081947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7774357.

The product of its (nonzero) digits is 2370816, while the sum is 53.

The spelling of 74706081947 in words is "seventy-four billion, seven hundred six million, eighty-one thousand, nine hundred forty-seven".