85174744 has 16 divisors (see below), whose sum is σ = 163417320. Its totient is φ = 41596800.

The previous prime is 85174699. The next prime is 85174757. The reversal of 85174744 is 44747158.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 85174697 and 85174706.

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 3 ways as a sum of consecutive naturals, for example, 123457 + ... + 124144.

Almost surely, 2^85174744 is an apocalyptic number.

It is an amenable number.

85174744 is a deficient number, since it is larger than the sum of its proper divisors (78242576).

85174744 is a wasteful number, since it uses less digits than its factorization.

85174744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247650 (or 247646 counting only the distinct ones).

The product of its digits is 125440, while the sum is 40.

The square root of 85174744 is about 9229.0164156317. The cubic root of 85174744 is about 439.9840627836.

The spelling of 85174744 in words is "eighty-five million, one hundred seventy-four thousand, seven hundred forty-four".