85725574 has 16 divisors (see below), whose sum is σ = 143542080. Its totient is φ = 38059560.

The previous prime is 85725553. The next prime is 85725581. The reversal of 85725574 is 47552758.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 85725574.

It is a congruent 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, 44364 + ... + 46255.

It is an arithmetic number, because the mean of its divisors is an integer number (8971380).

Almost surely, 2^85725574 is an apocalyptic number.

85725574 is a deficient number, since it is larger than the sum of its proper divisors (57816506).

85725574 is a wasteful number, since it uses less digits than its factorization.

85725574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90675.

The product of its digits is 392000, while the sum is 43.

The square root of 85725574 is about 9258.8106147604. The cubic root of 85725574 is about 440.9304929678.

The spelling of 85725574 in words is "eighty-five million, seven hundred twenty-five thousand, five hundred seventy-four".