74279790485 has 8 divisors (see below), whose sum is σ = 91544823096. Its totient is φ = 57817782720.

The previous prime is 74279790469. The next prime is 74279790491. The reversal of 74279790485 is 58409797247.

It can be written as a sum of positive squares in 4 ways, for example, as 12134784964 + 62145005521 = 110158^2 + 249289^2 .

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

It is not a de Polignac number, because 74279790485 - 2⁴ = 74279790469 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200756006 + ... + 200756375.

It is an arithmetic number, because the mean of its divisors is an integer number (11443102887).

Almost surely, 2^74279790485 is an apocalyptic number.

It is an amenable number.

74279790485 is a deficient number, since it is larger than the sum of its proper divisors (17265032611).

74279790485 is a wasteful number, since it uses less digits than its factorization.

74279790485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401512423.

The product of its (nonzero) digits is 35562240, while the sum is 62.

The spelling of 74279790485 in words is "seventy-four billion, two hundred seventy-nine million, seven hundred ninety thousand, four hundred eighty-five".