85604072 has 8 divisors (see below), whose sum is σ = 160507650. Its totient is φ = 42802032.

The previous prime is 85604059. The next prime is 85604081. The reversal of 85604072 is 27040658.

It can be written as a sum of positive squares in only one way, i.e., 57365476 + 28238596 = 7574^2 + 5314^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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, 5350247 + ... + 5350262.

Almost surely, 2^85604072 is an apocalyptic number.

It is an amenable number.

85604072 is a deficient number, since it is larger than the sum of its proper divisors (74903578).

85604072 is a wasteful number, since it uses less digits than its factorization.

85604072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10700515 (or 10700511 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 85604072 is about 9252.2468622492. The cubic root of 85604072 is about 440.7220788195.

The spelling of 85604072 in words is "eighty-five million, six hundred four thousand, seventy-two".