85174006 has 4 divisors (see below), whose sum is σ = 127761012. Its totient is φ = 42587002.

The previous prime is 85173997. The next prime is 85174009. The reversal of 85174006 is 60047158.

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

It is a super-2 number, since 2×85174006² = 14509222596176072, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85174009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21293500 + ... + 21293503.

It is an arithmetic number, because the mean of its divisors is an integer number (31940253).

Almost surely, 2^85174006 is an apocalyptic number.

85174006 is a deficient number, since it is larger than the sum of its proper divisors (42587006).

85174006 is a wasteful number, since it uses less digits than its factorization.

85174006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42587005.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 85174006 is about 9228.9764329529. The cubic root of 85174006 is about 439.9827920267.

The spelling of 85174006 in words is "eighty-five million, one hundred seventy-four thousand, six".