85134772 has 24 divisors (see below), whose sum is σ = 151990272. Its totient is φ = 41714400.

The previous prime is 85134769. The next prime is 85134779. The reversal of 85134772 is 27743158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85134779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92997 + ... + 93907.

It is an arithmetic number, because the mean of its divisors is an integer number (6332928).

Almost surely, 2^85134772 is an apocalyptic number.

It is an amenable number.

85134772 is a deficient number, since it is larger than the sum of its proper divisors (66855500).

85134772 is a wasteful number, since it uses less digits than its factorization.

85134772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359 (or 1357 counting only the distinct ones).

The product of its digits is 47040, while the sum is 37.

The square root of 85134772 is about 9226.8506002861. The cubic root of 85134772 is about 439.9152247141.

The spelling of 85134772 in words is "eighty-five million, one hundred thirty-four thousand, seven hundred seventy-two".