74749073860 has 12 divisors (see below), whose sum is σ = 156973055148. Its totient is φ = 29899629536.

The previous prime is 74749073851. The next prime is 74749073881. The reversal of 74749073860 is 6837094747.

It can be written as a sum of positive squares in 2 ways, for example, as 39139874244 + 35609199616 = 197838^2 + 188704^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1868726827 + ... + 1868726866.

It is an arithmetic number, because the mean of its divisors is an integer number (13081087929).

Almost surely, 2^74749073860 is an apocalyptic number.

It is an amenable number.

74749073860 is an abundant number, since it is smaller than the sum of its proper divisors (82223981288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74749073860 is a wasteful number, since it uses less digits than its factorization.

74749073860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3737453702 (or 3737453700 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 55.

The spelling of 74749073860 in words is "seventy-four billion, seven hundred forty-nine million, seventy-three thousand, eight hundred sixty".