85773020 has 24 divisors (see below), whose sum is σ = 183178800. Its totient is φ = 33727232.

The previous prime is 85773013. The next prime is 85773031. The reversal of 85773020 is 2037758.

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, 35165 + ... + 37524.

It is an arithmetic number, because the mean of its divisors is an integer number (7632450).

Almost surely, 2^85773020 is an apocalyptic number.

It is an amenable number.

85773020 is an abundant number, since it is smaller than the sum of its proper divisors (97405780).

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

85773020 is a wasteful number, since it uses less digits than its factorization.

85773020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72757 (or 72755 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 85773020 is about 9261.3724684844. The cubic root of 85773020 is about 441.0118243171.

The spelling of 85773020 in words is "eighty-five million, seven hundred seventy-three thousand, twenty".