85672249 has 8 divisors (see below), whose sum is σ = 92373120. Its totient is φ = 78987216.

The previous prime is 85672241. The next prime is 85672259. The reversal of 85672249 is 94227658.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85672249 - 2³ = 85672241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85672241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8832 + ... + 15790.

It is an arithmetic number, because the mean of its divisors is an integer number (11546640).

Almost surely, 2^85672249 is an apocalyptic number.

It is an amenable number.

85672249 is a deficient number, since it is larger than the sum of its proper divisors (6700871).

85672249 is a wasteful number, since it uses less digits than its factorization.

85672249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7919.

The product of its digits is 241920, while the sum is 43.

The square root of 85672249 is about 9255.9304772670. The cubic root of 85672249 is about 440.8390480838.

It can be divided in two parts, 8567 and 2249, that added together give a square (10816 = 104²).

The spelling of 85672249 in words is "eighty-five million, six hundred seventy-two thousand, two hundred forty-nine".