85814742 has 32 divisors (see below), whose sum is σ = 195707232. Its totient is φ = 24850944.

The previous prime is 85814731. The next prime is 85814761. The reversal of 85814742 is 24741858.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 85814742.

It is a congruent number.

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, 31033 + ... + 33684.

It is an arithmetic number, because the mean of its divisors is an integer number (6115851).

Almost surely, 2^85814742 is an apocalyptic number.

85814742 is an abundant number, since it is smaller than the sum of its proper divisors (109892490).

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

85814742 is a wasteful number, since it uses less digits than its factorization.

85814742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64752.

The product of its digits is 71680, while the sum is 39.

The square root of 85814742 is about 9263.6246685625. The cubic root of 85814742 is about 441.0833188762.

The spelling of 85814742 in words is "eighty-five million, eight hundred fourteen thousand, seven hundred forty-two".