74885712386 has 4 divisors (see below), whose sum is σ = 112328568582. Its totient is φ = 37442856192.

The previous prime is 74885712373. The next prime is 74885712403. The reversal of 74885712386 is 68321758847.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 61265655361 + 13620057025 = 247519^2 + 116705^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18721428095 + ... + 18721428098.

Almost surely, 2^74885712386 is an apocalyptic number.

74885712386 is a deficient number, since it is larger than the sum of its proper divisors (37442856196).

74885712386 is a wasteful number, since it uses less digits than its factorization.

74885712386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37442856195.

The product of its digits is 18063360, while the sum is 59.

The spelling of 74885712386 in words is "seventy-four billion, eight hundred eighty-five million, seven hundred twelve thousand, three hundred eighty-six".