85174530 has 64 divisors (see below), whose sum is σ = 245928960. Its totient is φ = 18442944.

The previous prime is 85174519. The next prime is 85174547. The reversal of 85174530 is 3547158.

It is a junction number, because it is equal to n+sod(n) for n = 85174491 and 85174500.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6684 + ... + 14663.

It is an arithmetic number, because the mean of its divisors is an integer number (3842640).

Almost surely, 2^85174530 is an apocalyptic number.

85174530 is an abundant number, since it is smaller than the sum of its proper divisors (160754430).

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

85174530 is a wasteful number, since it uses less digits than its factorization.

85174530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21383.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 85174530 is about 9229.0048217562. The cubic root of 85174530 is about 439.9836942993.

The spelling of 85174530 in words is "eighty-five million, one hundred seventy-four thousand, five hundred thirty".