72085084 has 6 divisors (see below), whose sum is σ = 126148904. Its totient is φ = 36042540.

The previous prime is 72085081. The next prime is 72085087. The reversal of 72085084 is 48058027.

It is an interprime number because it is at equal distance from previous prime (72085081) and next prime (72085087).

It is a super-4 number, since 4×72085084⁴ (a number of 33 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72085081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9010632 + ... + 9010639.

Almost surely, 2^72085084 is an apocalyptic number.

It is an amenable number.

72085084 is a deficient number, since it is larger than the sum of its proper divisors (54063820).

72085084 is a wasteful number, since it uses less digits than its factorization.

72085084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18021275 (or 18021273 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 72085084 is about 8490.2935167166. The cubic root of 72085084 is about 416.1805721875.

The spelling of 72085084 in words is "seventy-two million, eighty-five thousand, eighty-four".