74868189250 has 32 divisors (see below), whose sum is σ = 140182688880. Its totient is φ = 29940985600.

The previous prime is 74868189199. The next prime is 74868189307. The reversal of 74868189250 is 5298186847.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 4137191041 + 70730998209 = 64321^2 + 265953^2 .

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 in 15 ways as a sum of consecutive naturals, for example, 1268394 + ... + 1326106.

Almost surely, 2^74868189250 is an apocalyptic number.

74868189250 is a deficient number, since it is larger than the sum of its proper divisors (65314499630).

74868189250 is a wasteful number, since it uses less digits than its factorization.

74868189250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62919 (or 62909 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 58.

The spelling of 74868189250 in words is "seventy-four billion, eight hundred sixty-eight million, one hundred eighty-nine thousand, two hundred fifty".