74008687474 has 8 divisors (see below), whose sum is σ = 114841066860. Its totient is φ = 35728331856.

The previous prime is 74008687457. The next prime is 74008687477. The reversal of 74008687474 is 47478680047.

It can be written as a sum of positive squares in 2 ways, for example, as 72686856025 + 1321831449 = 269605^2 + 36357^2 .

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

It is not an unprimeable number, because it can be changed into a prime (74008687477) 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, 638005869 + ... + 638005984.

Almost surely, 2^74008687474 is an apocalyptic number.

74008687474 is a deficient number, since it is larger than the sum of its proper divisors (40832379386).

74008687474 is a wasteful number, since it uses less digits than its factorization.

74008687474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276011884.

The product of its (nonzero) digits is 8429568, while the sum is 55.

The spelling of 74008687474 in words is "seventy-four billion, eight million, six hundred eighty-seven thousand, four hundred seventy-four".