85722572 has 24 divisors (see below), whose sum is σ = 161996352. Its totient is φ = 39456000.

The previous prime is 85722557. The next prime is 85722577. The reversal of 85722572 is 27522758.

It is not an unprimeable number, because it can be changed into a prime (85722577) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 18797 + ... + 22907.

It is an arithmetic number, because the mean of its divisors is an integer number (6749848).

Almost surely, 2^85722572 is an apocalyptic number.

It is an amenable number.

85722572 is a deficient number, since it is larger than the sum of its proper divisors (76273780).

85722572 is a wasteful number, since it uses less digits than its factorization.

85722572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4529 (or 4527 counting only the distinct ones).

The product of its digits is 78400, while the sum is 38.

The square root of 85722572 is about 9258.6484974860. The cubic root of 85722572 is about 440.9253459670.

The spelling of 85722572 in words is "eighty-five million, seven hundred twenty-two thousand, five hundred seventy-two".