85727434 has 8 divisors (see below), whose sum is σ = 138482820. Its totient is φ = 39566496.

The previous prime is 85727429. The next prime is 85727441. The reversal of 85727434 is 43472758.

It can be written as a sum of positive squares in 2 ways, for example, as 66341025 + 19386409 = 8145^2 + 4403^2 .

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

It is a nialpdrome in base 11.

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, 1648579 + ... + 1648630.

Almost surely, 2^85727434 is an apocalyptic number.

85727434 is a deficient number, since it is larger than the sum of its proper divisors (52755386).

85727434 is a wasteful number, since it uses less digits than its factorization.

85727434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3297224.

The product of its digits is 188160, while the sum is 40.

The square root of 85727434 is about 9258.9110590825. The cubic root of 85727434 is about 440.9336819220.

The spelling of 85727434 in words is "eighty-five million, seven hundred twenty-seven thousand, four hundred thirty-four".