85704744 has 64 divisors (see below), whose sum is σ = 233352000. Its totient is φ = 26127360.

The previous prime is 85704733. The next prime is 85704761. The reversal of 85704744 is 44740758.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9984 + ... + 16464.

It is an arithmetic number, because the mean of its divisors is an integer number (3646125).

Almost surely, 2^85704744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85704744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116676000).

85704744 is an abundant number, since it is smaller than the sum of its proper divisors (147647256).

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

85704744 is a wasteful number, since it uses less digits than its factorization.

85704744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6538 (or 6534 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 39.

The square root of 85704744 is about 9257.6856719161. The cubic root of 85704744 is about 440.8947769586.

The spelling of 85704744 in words is "eighty-five million, seven hundred four thousand, seven hundred forty-four".