74587885 has 8 divisors (see below), whose sum is σ = 89571096. Its totient is φ = 59626560.

The previous prime is 74587879. The next prime is 74587889. The reversal of 74587885 is 58878547.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 249001 + 74338884 = 499^2 + 8622^2 .

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

It is not a de Polignac number, because 74587885 - 2⁵ = 74587853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74587889) 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, 3315 + ... + 12655.

It is an arithmetic number, because the mean of its divisors is an integer number (11196387).

Almost surely, 2^74587885 is an apocalyptic number.

It is an amenable number.

74587885 is a deficient number, since it is larger than the sum of its proper divisors (14983211).

74587885 is a wasteful number, since it uses less digits than its factorization.

74587885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10943.

The product of its digits is 2508800, while the sum is 52.

The square root of 74587885 is about 8636.4277916277. The cubic root of 74587885 is about 420.9424885189.

The spelling of 74587885 in words is "seventy-four million, five hundred eighty-seven thousand, eight hundred eighty-five".