85745744 has 20 divisors (see below), whose sum is σ = 189865824. Its totient is φ = 36748128.

The previous prime is 85745743. The next prime is 85745747. The reversal of 85745744 is 44754758.

It is a super-2 number, since 2×85745744² = 14704665228227072, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 85745695 and 85745704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85745743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382682 + ... + 382905.

Almost surely, 2^85745744 is an apocalyptic number.

It is an amenable number.

85745744 is an abundant number, since it is smaller than the sum of its proper divisors (104120080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85745744 is a wasteful number, since it uses less digits than its factorization.

85745744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765602 (or 765596 counting only the distinct ones).

The product of its digits is 627200, while the sum is 44.

The square root of 85745744 is about 9259.8997834750. The cubic root of 85745744 is about 440.9650717997.

The spelling of 85745744 in words is "eighty-five million, seven hundred forty-five thousand, seven hundred forty-four".