74894585 has 8 divisors (see below), whose sum is σ = 89934216. Its totient is φ = 59875200.

The previous prime is 74894581. The next prime is 74894587. The reversal of 74894585 is 58549847.

It can be written as a sum of positive squares in 4 ways, for example, as 13601344 + 61293241 = 3688^2 + 7829^2 .

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

It is not a de Polignac number, because 74894585 - 2² = 74894581 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74894581) 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, 4847 + ... + 13163.

It is an arithmetic number, because the mean of its divisors is an integer number (11241777).

Almost surely, 2^74894585 is an apocalyptic number.

It is an amenable number.

74894585 is a deficient number, since it is larger than the sum of its proper divisors (15039631).

74894585 is a wasteful number, since it uses less digits than its factorization.

74894585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10123.

The product of its digits is 1612800, while the sum is 50.

The square root of 74894585 is about 8654.1657599101. The cubic root of 74894585 is about 421.5186612231.

The spelling of 74894585 in words is "seventy-four million, eight hundred ninety-four thousand, five hundred eighty-five".