85472234 has 4 divisors (see below), whose sum is σ = 128208354. Its totient is φ = 42736116.

The previous prime is 85472227. The next prime is 85472237. The reversal of 85472234 is 43227458.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 85470025 + 2209 = 9245^2 + 47^2 .

It is a junction number, because it is equal to n+sod(n) for n = 85472194 and 85472203.

It is not an unprimeable number, because it can be changed into a prime (85472237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21368057 + ... + 21368060.

Almost surely, 2^85472234 is an apocalyptic number.

85472234 is a deficient number, since it is larger than the sum of its proper divisors (42736120).

85472234 is a wasteful number, since it uses less digits than its factorization.

85472234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42736119.

The product of its digits is 53760, while the sum is 35.

The square root of 85472234 is about 9245.1194692119. The cubic root of 85472234 is about 440.4957119733.

The spelling of 85472234 in words is "eighty-five million, four hundred seventy-two thousand, two hundred thirty-four".