74809585 has 8 divisors (see below), whose sum is σ = 90611136. Its totient is φ = 59287920.

The previous prime is 74809549. The next prime is 74809591. The reversal of 74809585 is 58590847.

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

It is not a de Polignac number, because 74809585 - 2¹⁵ = 74776817 is a prime.

It is a Duffinian 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, 69381 + ... + 70450.

It is an arithmetic number, because the mean of its divisors is an integer number (11326392).

Almost surely, 2^74809585 is an apocalyptic number.

It is an amenable number.

74809585 is a deficient number, since it is larger than the sum of its proper divisors (15801551).

74809585 is a wasteful number, since it uses less digits than its factorization.

74809585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139943.

The product of its (nonzero) digits is 403200, while the sum is 46.

The square root of 74809585 is about 8649.2534359909. The cubic root of 74809585 is about 421.3591363423.

The spelling of 74809585 in words is "seventy-four million, eight hundred nine thousand, five hundred eighty-five".