36010721 has 8 divisors (see below), whose sum is σ = 37540800. Its totient is φ = 34499920.

The previous prime is 36010717. The next prime is 36010729. The reversal of 36010721 is 12701063.

It is a happy number.

36010721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 36010721 - 2² = 36010717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36010693 and 36010702.

It is not an unprimeable number, because it can be changed into a prime (36010729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 941 + ... + 8538.

It is an arithmetic number, because the mean of its divisors is an integer number (4692600).

Almost surely, 2^36010721 is an apocalyptic number.

It is an amenable number.

36010721 is a deficient number, since it is larger than the sum of its proper divisors (1530079).

36010721 is a wasteful number, since it uses less digits than its factorization.

36010721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9639.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 36010721 is about 6000.8933501605. The cubic root of 36010721 is about 330.2254993788.

Adding to 36010721 its reverse (12701063), we get a palindrome (48711784).

The spelling of 36010721 in words is "thirty-six million, ten thousand, seven hundred twenty-one".