74830285 has 8 divisors (see below), whose sum is σ = 90316440. Its totient is φ = 59517504.

The previous prime is 74830279. The next prime is 74830297. The reversal of 74830285 is 58203847.

It can be written as a sum of positive squares in 4 ways, for example, as 12404484 + 62425801 = 3522^2 + 7901^2 .

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 74830285 - 2¹⁵ = 74797517 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42390 + ... + 44119.

It is an arithmetic number, because the mean of its divisors is an integer number (11289555).

Almost surely, 2^74830285 is an apocalyptic number.

It is an amenable number.

74830285 is a deficient number, since it is larger than the sum of its proper divisors (15486155).

74830285 is a wasteful number, since it uses less digits than its factorization.

74830285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86687.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 74830285 is about 8650.4499882954. The cubic root of 74830285 is about 421.3979964686.

The spelling of 74830285 in words is "seventy-four million, eight hundred thirty thousand, two hundred eighty-five".