85073570 has 8 divisors (see below), whose sum is σ = 153132444. Its totient is φ = 34029424.

The previous prime is 85073567. The next prime is 85073591. The reversal of 85073570 is 7537058.

It can be written as a sum of positive squares in 2 ways, for example, as 72063121 + 13010449 = 8489^2 + 3607^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 85073570.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4253669 + ... + 4253688.

Almost surely, 2^85073570 is an apocalyptic number.

85073570 is a deficient number, since it is larger than the sum of its proper divisors (68058874).

85073570 is a wasteful number, since it uses less digits than its factorization.

85073570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8507364.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 85073570 is about 9223.5334877692. The cubic root of 85073570 is about 439.8097834818.

The spelling of 85073570 in words is "eighty-five million, seventy-three thousand, five hundred seventy".