85074280 has 16 divisors (see below), whose sum is σ = 191417220. Its totient is φ = 34029696.

The previous prime is 85074271. The next prime is 85074287. The reversal of 85074280 is 8247058.

It can be written as a sum of positive squares in 2 ways, for example, as 84529636 + 544644 = 9194^2 + 738^2 .

It is not an unprimeable number, because it can be changed into a prime (85074287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1063389 + ... + 1063468.

Almost surely, 2^85074280 is an apocalyptic number.

It is an amenable number.

85074280 is an abundant number, since it is smaller than the sum of its proper divisors (106342940).

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

85074280 is a wasteful number, since it uses less digits than its factorization.

85074280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126868 (or 2126864 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 85074280 is about 9223.5719761923. The cubic root of 85074280 is about 439.8110069878.

The spelling of 85074280 in words is "eighty-five million, seventy-four thousand, two hundred eighty".