85523274 has 12 divisors (see below), whose sum is σ = 185300466. Its totient is φ = 28507752.

The previous prime is 85523261. The next prime is 85523279. The reversal of 85523274 is 47232558.

85523274 is a `hidden beast` number, since 8 + 552 + 32 + 74 = 666.

It can be written as a sum of positive squares in only one way, i.e., 79977249 + 5546025 = 8943^2 + 2355^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (85523279) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2375629 + ... + 2375664.

Almost surely, 2^85523274 is an apocalyptic number.

85523274 is an abundant number, since it is smaller than the sum of its proper divisors (99777192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85523274 is a wasteful number, since it uses less digits than its factorization.

85523274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4751301 (or 4751298 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 85523274 is about 9247.8794326051. The cubic root of 85523274 is about 440.5833756364.

The spelling of 85523274 in words is "eighty-five million, five hundred twenty-three thousand, two hundred seventy-four".