74989298786 has 8 divisors (see below), whose sum is σ = 112685895900. Its totient is φ = 37427333488.

The previous prime is 74989298773. The next prime is 74989298801. The reversal of 74989298786 is 68789298947.

It can be written as a sum of positive squares in 2 ways, for example, as 48805204561 + 26184094225 = 220919^2 + 161815^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 33656561 + ... + 33658788.

Almost surely, 2^74989298786 is an apocalyptic number.

74989298786 is a deficient number, since it is larger than the sum of its proper divisors (37696597114).

74989298786 is a wasteful number, since it uses less digits than its factorization.

74989298786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67315908.

The product of its digits is 877879296, while the sum is 77.

The spelling of 74989298786 in words is "seventy-four billion, nine hundred eighty-nine million, two hundred ninety-eight thousand, seven hundred eighty-six".