36032721 has 8 divisors (see below), whose sum is σ = 50572320. Its totient is φ = 22757472.

The previous prime is 36032719. The next prime is 36032747. The reversal of 36032721 is 12723063.

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

It is not a de Polignac number, because 36032721 - 2¹ = 36032719 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 36032691 and 36032700.

It is not an unprimeable number, because it can be changed into a prime (36032701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316020 + ... + 316133.

It is an arithmetic number, because the mean of its divisors is an integer number (6321540).

Almost surely, 2^36032721 is an apocalyptic number.

It is an amenable number.

36032721 is a deficient number, since it is larger than the sum of its proper divisors (14539599).

36032721 is a wasteful number, since it uses less digits than its factorization.

36032721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632175.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 36032721 is about 6002.7261306843. The cubic root of 36032721 is about 330.2927338193.

Adding to 36032721 its reverse (12723063), we get a palindrome (48755784).

The spelling of 36032721 in words is "thirty-six million, thirty-two thousand, seven hundred twenty-one".