85167074 has 4 divisors (see below), whose sum is σ = 127750614. Its totient is φ = 42583536.

The previous prime is 85167073. The next prime is 85167097. The reversal of 85167074 is 47076158.

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., 57866449 + 27300625 = 7607^2 + 5225^2 .

It is not an unprimeable number, because it can be changed into a prime (85167073) 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, 21291767 + ... + 21291770.

Almost surely, 2^85167074 is an apocalyptic number.

85167074 is a deficient number, since it is larger than the sum of its proper divisors (42583540).

85167074 is a wasteful number, since it uses less digits than its factorization.

85167074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42583539.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 85167074 is about 9228.6008690375. The cubic root of 85167074 is about 439.9708555076.

The spelling of 85167074 in words is "eighty-five million, one hundred sixty-seven thousand, seventy-four".