85704970 has 64 divisors (see below), whose sum is σ = 172730880. Its totient is φ = 30598464.

The previous prime is 85704943. The next prime is 85705001. The reversal of 85704970 is 7940758.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 1032549 + ... + 1032631.

It is an arithmetic number, because the mean of its divisors is an integer number (2698920).

Almost surely, 2^85704970 is an apocalyptic number.

85704970 is an abundant number, since it is smaller than the sum of its proper divisors (87025910).

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

85704970 is a wasteful number, since it uses less digits than its factorization.

85704970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 85704970 is about 9257.6978779824. The cubic root of 85704970 is about 440.8951644989.

The spelling of 85704970 in words is "eighty-five million, seven hundred four thousand, nine hundred seventy".