85251072 has 44 divisors (see below), whose sum is σ = 227233376. Its totient is φ = 28416000.

The previous prime is 85251059. The next prime is 85251121. The reversal of 85251072 is 27015258.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10804 + ... + 16947.

Almost surely, 2^85251072 is an apocalyptic number.

It is an amenable number.

85251072 is an abundant number, since it is smaller than the sum of its proper divisors (141982304).

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

85251072 is a wasteful number, since it uses less digits than its factorization.

85251072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27774 (or 27756 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 85251072 is about 9233.1507081819. The cubic root of 85251072 is about 440.1154517976.

The spelling of 85251072 in words is "eighty-five million, two hundred fifty-one thousand, seventy-two".