85047742 has 16 divisors (see below), whose sum is σ = 137570832. Its totient is φ = 39199680.

The previous prime is 85047731. The next prime is 85047751. The reversal of 85047742 is 24774058.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22617 + ... + 26107.

It is an arithmetic number, because the mean of its divisors is an integer number (8598177).

Almost surely, 2^85047742 is an apocalyptic number.

85047742 is a deficient number, since it is larger than the sum of its proper divisors (52523090).

85047742 is a wasteful number, since it uses less digits than its factorization.

85047742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4443.

The product of its (nonzero) digits is 62720, while the sum is 37.

The square root of 85047742 is about 9222.1332673086. The cubic root of 85047742 is about 439.7652708055.

The spelling of 85047742 in words is "eighty-five million, forty-seven thousand, seven hundred forty-two".