74845028329 has 8 divisors (see below), whose sum is σ = 74922595880. Its totient is φ = 74767504896.

The previous prime is 74845028261. The next prime is 74845028351. The reversal of 74845028329 is 92382054847.

It can be written as a sum of positive squares in 4 ways, for example, as 33471434304 + 41373594025 = 182952^2 + 203405^2 .

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 74845028329 - 2¹¹ = 74845026281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74845028389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4154389 + ... + 4172365.

It is an arithmetic number, because the mean of its divisors is an integer number (9365324485).

Almost surely, 2^74845028329 is an apocalyptic number.

It is an amenable number.

74845028329 is a deficient number, since it is larger than the sum of its proper divisors (77567551).

74845028329 is a wasteful number, since it uses less digits than its factorization.

74845028329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22059.

The product of its (nonzero) digits is 3870720, while the sum is 52.

The spelling of 74845028329 in words is "seventy-four billion, eight hundred forty-five million, twenty-eight thousand, three hundred twenty-nine".