7200081 has 24 divisors (see below), whose sum is σ = 12405120. Its totient is φ = 3934656.

The previous prime is 7200073. The next prime is 7200097. The reversal of 7200081 is 1800027.

It is not a de Polignac number, because 7200081 - 2³ = 7200073 is a prime.

It is a super-2 number, since 2×7200081² = 103682332813122, which contains 22 as substring.

7200081 is a modest number, since divided by 81 gives 72 as remainder.

It is not an unprimeable number, because it can be changed into a prime (7200481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1036 + ... + 3933.

It is an arithmetic number, because the mean of its divisors is an integer number (516880).

Almost surely, 2^7200081 is an apocalyptic number.

It is an amenable number.

7200081 is a deficient number, since it is larger than the sum of its proper divisors (5205039).

7200081 is a wasteful number, since it uses less digits than its factorization.

7200081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5005 (or 5002 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 7200081 is about 2683.2966664161. The cubic root of 7200081 is about 193.0986010354.

It can be divided in two parts, 72000 and 81, that multiplied together give a cube (5832000 = 180³).

The spelling of 7200081 in words is "seven million, two hundred thousand, eighty-one".