85147074 has 24 divisors (see below), whose sum is σ = 190848060. Its totient is φ = 27403488.

The previous prime is 85147063. The next prime is 85147099. The reversal of 85147074 is 47074158.

85147074 is a `hidden beast` number, since 8 + 514 + 70 + 74 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 84768849 + 378225 = 9207^2 + 615^2 .

It is a super-2 number, since 2×85147074² = 14500048421522952, which contains 22 as substring.

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 in 11 ways as a sum of consecutive naturals, for example, 81037 + ... + 82080.

Almost surely, 2^85147074 is an apocalyptic number.

85147074 is an abundant number, since it is smaller than the sum of its proper divisors (105700986).

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

85147074 is a wasteful number, since it uses less digits than its factorization.

85147074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163154 (or 163151 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 85147074 is about 9227.5172175402. The cubic root of 85147074 is about 439.9364129874.

The spelling of 85147074 in words is "eighty-five million, one hundred forty-seven thousand, seventy-four".