74284349751 has 32 divisors (see below), whose sum is σ = 114880381440. Its totient is φ = 47351304000.

The previous prime is 74284349749. The next prime is 74284349753. The reversal of 74284349751 is 15794348247.

74284349751 is a `hidden beast` number, since 74 + 2 + 8 + 434 + 97 + 51 = 666.

It is an interprime number because it is at equal distance from previous prime (74284349749) and next prime (74284349753).

It is not a de Polignac number, because 74284349751 - 2¹ = 74284349749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74284349753) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1674051 + ... + 1717851.

It is an arithmetic number, because the mean of its divisors is an integer number (3590011920).

Almost surely, 2^74284349751 is an apocalyptic number.

74284349751 is a deficient number, since it is larger than the sum of its proper divisors (40596031689).

74284349751 is a wasteful number, since it uses less digits than its factorization.

74284349751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46564 (or 46558 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The spelling of 74284349751 in words is "seventy-four billion, two hundred eighty-four million, three hundred forty-nine thousand, seven hundred fifty-one".