85273450 has 24 divisors (see below), whose sum is σ = 159596928. Its totient is φ = 33896880.

The previous prime is 85273439. The next prime is 85273457. The reversal of 85273450 is 5437258.

It is a happy number.

It is a super-2 number, since 2×85273450² = 14543122549805000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85273457) by changing a digit.

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, 2919 + ... + 13381.

It is an arithmetic number, because the mean of its divisors is an integer number (6649872).

Almost surely, 2^85273450 is an apocalyptic number.

85273450 is a deficient number, since it is larger than the sum of its proper divisors (74323478).

85273450 is a wasteful number, since it uses less digits than its factorization.

85273450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10638 (or 10633 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 85273450 is about 9234.3624576903. The cubic root of 85273450 is about 440.1539578312.

The spelling of 85273450 in words is "eighty-five million, two hundred seventy-three thousand, four hundred fifty".