74281749811 has 8 divisors (see below), whose sum is σ = 76122385664. Its totient is φ = 72462642120.

The previous prime is 74281749793. The next prime is 74281749851. The reversal of 74281749811 is 11894718247.

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

It is a cyclic number.

It is not a de Polignac number, because 74281749811 - 2²¹ = 74279652659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74281749851) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5375055 + ... + 5388856.

It is an arithmetic number, because the mean of its divisors is an integer number (9515298208).

Almost surely, 2^74281749811 is an apocalyptic number.

74281749811 is a deficient number, since it is larger than the sum of its proper divisors (1840635853).

74281749811 is a wasteful number, since it uses less digits than its factorization.

74281749811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10764081.

The product of its digits is 903168, while the sum is 52.

The spelling of 74281749811 in words is "seventy-four billion, two hundred eighty-one million, seven hundred forty-nine thousand, eight hundred eleven".