74781346814474 has 4 divisors (see below), whose sum is σ = 112172020221714. Its totient is φ = 37390673407236.

The previous prime is 74781346814443. The next prime is 74781346814539. The reversal of 74781346814474 is 47441864318747.

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., 63694078454449 + 11087268360025 = 7980857^2 + 3329755^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 18695336703617 + ... + 18695336703620.

Almost surely, 2^{74781346814474} is an apocalyptic number.

74781346814474 is a deficient number, since it is larger than the sum of its proper divisors (37390673407240).

74781346814474 is a wasteful number, since it uses less digits than its factorization.

74781346814474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37390673407239.

The product of its digits is 404619264, while the sum is 68.

The spelling of 74781346814474 in words is "seventy-four trillion, seven hundred eighty-one billion, three hundred forty-six million, eight hundred fourteen thousand, four hundred seventy-four".