74516285 has 8 divisors (see below), whose sum is σ = 90305496. Its totient is φ = 59022400.

The previous prime is 74516249. The next prime is 74516293. The reversal of 74516285 is 58261547.

It can be written as a sum of positive squares in 4 ways, for example, as 12201049 + 62315236 = 3493^2 + 7894^2 .

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

It is not a de Polignac number, because 74516285 - 2¹⁶ = 74450749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73274 + ... + 74283.

It is an arithmetic number, because the mean of its divisors is an integer number (11288187).

Almost surely, 2^74516285 is an apocalyptic number.

It is an amenable number.

74516285 is a deficient number, since it is larger than the sum of its proper divisors (15789211).

74516285 is a wasteful number, since it uses less digits than its factorization.

74516285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147663.

The product of its digits is 67200, while the sum is 38.

The square root of 74516285 is about 8632.2815639899. The cubic root of 74516285 is about 420.8077520204.

The spelling of 74516285 in words is "seventy-four million, five hundred sixteen thousand, two hundred eighty-five".